54400672040 has 64 divisors (see below), whose sum is σ = 143800392960. Its totient is φ = 18260363520.

The previous prime is 54400672033. The next prime is 54400672063. The reversal of 54400672040 is 4027600445.

It is a junction number, because it is equal to n+sod(n) for n = 54400671988 and 54400672006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4749584 + ... + 4761023.

It is an arithmetic number, because the mean of its divisors is an integer number (2246881140).

Almost surely, 2^54400672040 is an apocalyptic number.

It is an amenable number.

54400672040 is an abundant number, since it is smaller than the sum of its proper divisors (89399720920).

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

54400672040 is a wasteful number, since it uses less digits than its factorization.

54400672040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510642 (or 9510638 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 54400672040 in words is "fifty-four billion, four hundred million, six hundred seventy-two thousand, forty".