51103834040 has 64 divisors (see below), whose sum is σ = 131433753600. Its totient is φ = 17518128768.

The previous prime is 51103834027. The next prime is 51103834043. The reversal of 51103834040 is 4043830115.

It is a super-2 number, since 2×51103834040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51103833994 and 51103834012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51103834043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935407 + ... + 1961633.

It is an arithmetic number, because the mean of its divisors is an integer number (2053652400).

Almost surely, 2^51103834040 is an apocalyptic number.

It is an amenable number.

51103834040 is an abundant number, since it is smaller than the sum of its proper divisors (80329919560).

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

51103834040 is a wasteful number, since it uses less digits than its factorization.

51103834040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33204 (or 33200 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 51103834040 in words is "fifty-one billion, one hundred three million, eight hundred thirty-four thousand, forty".