49005000000000 has 1650 divisors, whose sum is σ = 200966048130309. Its totient is φ = 11880000000000.

The previous prime is 49004999999981. The next prime is 49005000000029. The reversal of 49005000000000 is 50094.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 28208335567104 + 20796664432896 = 5311152^2 + 4560336^2 .

It is a tau number, because it is divible by the number of its divisors (1650).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4950000.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 49005000000000.

It is an unprimeable number.

It is a polite number, since it can be written in 164 ways as a sum of consecutive naturals, for example, 4454999999995 + ... + 4455000000005.

Almost surely, 2^{49005000000000} is an apocalyptic number.

49005000000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49005000000000

49005000000000 is an abundant number, since it is smaller than the sum of its proper divisors (151961048130309).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49005000000000 is an frugal number, since it uses more digits than its factorization.

49005000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Multiplying 49005000000000 by its sum of digits (18), we get a square (882090000000000 = 29700000²).

49005000000000 divided by its sum of digits (18) gives a square (2722500000000 = 1650000²).

Adding to 49005000000000 its reverse (50094), we get a palindrome (49005000050094).

The spelling of 49005000000000 in words is "forty-nine trillion, five billion", and thus it is an aban number and an uban number.