400477846680 has 128 divisors (see below), whose sum is σ = 1380958200000. Its totient is φ = 103111529472.

The previous prime is 400477846679. The next prime is 400477846721. The reversal of 400477846680 is 86648774004.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6362005 + ... + 6424644.

Almost surely, 2^400477846680 is an apocalyptic number.

400477846680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400477846680 is an abundant number, since it is smaller than the sum of its proper divisors (980480353320).

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

400477846680 is a wasteful number, since it uses less digits than its factorization.

400477846680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12786698 (or 12786688 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 400477846680 in words is "four hundred billion, four hundred seventy-seven million, eight hundred forty-six thousand, six hundred eighty".