400682845500 has 96 divisors (see below), whose sum is σ = 1333472544768. Its totient is φ = 91584648000.

The previous prime is 400682845481. The next prime is 400682845559. The reversal of 400682845500 is 5548286004.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19069636 + ... + 19090635.

It is an arithmetic number, because the mean of its divisors is an integer number (13890339008).

Almost surely, 2^400682845500 is an apocalyptic number.

It is an amenable number.

400682845500 is an abundant number, since it is smaller than the sum of its proper divisors (932789699268).

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

400682845500 is a wasteful number, since it uses less digits than its factorization.

400682845500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160300 (or 38160288 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 400682845500 in words is "four hundred billion, six hundred eighty-two million, eight hundred forty-five thousand, five hundred".