4231897166400 has 84 divisors (see below), whose sum is σ = 13884149302512. Its totient is φ = 1128505909760.

The previous prime is 4231897166381. The next prime is 4231897166407. The reversal of 4231897166400 is 46617981324.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4231897166407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440817822 + ... + 440827421.

Almost surely, 2^{4231897166400} is an apocalyptic number.

4231897166400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4231897166400 is an abundant number, since it is smaller than the sum of its proper divisors (9652252136112).

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

4231897166400 is a wasteful number, since it uses less digits than its factorization.

4231897166400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881645268 (or 881645253 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 4231897166400 in words is "four trillion, two hundred thirty-one billion, eight hundred ninety-seven million, one hundred sixty-six thousand, four hundred".