49390529040 has 120 divisors (see below), whose sum is σ = 169399122048. Its totient is φ = 12890568960.

The previous prime is 49390529011. The next prime is 49390529047. The reversal of 49390529040 is 4092509394.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×49390529040³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49390529047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695926 + ... + 763605.

Almost surely, 2^49390529040 is an apocalyptic number.

49390529040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49390529040 is an abundant number, since it is smaller than the sum of its proper divisors (120008593008).

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

49390529040 is a wasteful number, since it uses less digits than its factorization.

49390529040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459597 (or 1459588 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 49390529040 in words is "forty-nine billion, three hundred ninety million, five hundred twenty-nine thousand, forty".