49105621152 has 72 divisors (see below), whose sum is σ = 159593275296. Its totient is φ = 14030176896.

The previous prime is 49105621151. The next prime is 49105621171. The reversal of 49105621152 is 25112650194.

49105621152 is a `hidden beast` number, since 4 + 9 + 10 + 5 + 621 + 15 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×49105621152² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49105621151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12176958 + ... + 12180989.

It is an arithmetic number, because the mean of its divisors is an integer number (2216573268).

Almost surely, 2^49105621152 is an apocalyptic number.

49105621152 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

49105621152 is an abundant number, since it is smaller than the sum of its proper divisors (110487654144).

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

49105621152 is a wasteful number, since it uses less digits than its factorization.

49105621152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24357970 (or 24357959 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 49105621152 in words is "forty-nine billion, one hundred five million, six hundred twenty-one thousand, one hundred fifty-two".