557451900040 has 32 divisors (see below), whose sum is σ = 1433447743680. Its totient is φ = 191126365632.

The previous prime is 557451900023. The next prime is 557451900149. The reversal of 557451900040 is 40009154755.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 557451899966 and 557451900002.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 995449542 + ... + 995450101.

It is an arithmetic number, because the mean of its divisors is an integer number (44795241990).

Almost surely, 2^557451900040 is an apocalyptic number.

It is an amenable number.

557451900040 is an abundant number, since it is smaller than the sum of its proper divisors (875995843640).

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

557451900040 is a wasteful number, since it uses less digits than its factorization.

557451900040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990899661 (or 1990899657 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 557451900040 in words is "five hundred fifty-seven billion, four hundred fifty-one million, nine hundred thousand, forty".