49451038375508 has 96 divisors (see below), whose sum is σ = 115804762069248. Its totient is φ = 17884905062400.

The previous prime is 49451038375507. The next prime is 49451038375513. The reversal of 49451038375508 is 80557383015494.

It is a super-2 number, since 2×49451038375508² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49451038375507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64305653 + ... + 65070108.

It is an arithmetic number, because the mean of its divisors is an integer number (1206299604888).

Almost surely, 2^{49451038375508} is an apocalyptic number.

It is an amenable number.

49451038375508 is an abundant number, since it is smaller than the sum of its proper divisors (66353723693740).

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

49451038375508 is a wasteful number, since it uses less digits than its factorization.

49451038375508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129375873 (or 129375871 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 62.

The spelling of 49451038375508 in words is "forty-nine trillion, four hundred fifty-one billion, thirty-eight million, three hundred seventy-five thousand, five hundred eight".