6400897354458 has 48 divisors (see below), whose sum is σ = 14164057964160. Its totient is φ = 2088181435968.

The previous prime is 6400897354457. The next prime is 6400897354477. The reversal of 6400897354458 is 8544537980046.

6400897354458 is a `hidden beast` number, since 6 + 4 + 0 + 0 + 89 + 7 + 3 + 544 + 5 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6400897354395 and 6400897354404.

It is not an unprimeable number, because it can be changed into a prime (6400897354457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43799766 + ... + 43945662.

It is an arithmetic number, because the mean of its divisors is an integer number (295084540920).

Almost surely, 2^{6400897354458} is an apocalyptic number.

6400897354458 is an abundant number, since it is smaller than the sum of its proper divisors (7763160609702).

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

6400897354458 is a wasteful number, since it uses less digits than its factorization.

6400897354458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197811 (or 197808 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 6400897354458 in words is "six trillion, four hundred billion, eight hundred ninety-seven million, three hundred fifty-four thousand, four hundred fifty-eight".