400673653751496 has 192 divisors, whose sum is σ = 1026516388806720. Its totient is φ = 130322790976000.

The previous prime is 400673653751477. The next prime is 400673653751513. The reversal of 400673653751496 is 694157356376004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6144043786 + ... + 6144108998.

It is an arithmetic number, because the mean of its divisors is an integer number (5346439525035).

Almost surely, 2^{400673653751496} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400673653751496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513258194403360).

400673653751496 is an abundant number, since it is smaller than the sum of its proper divisors (625842735055224).

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

400673653751496 is a wasteful number, since it uses less digits than its factorization.

400673653751496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65884 (or 65821 counting only the distinct ones).

The product of its (nonzero) digits is 342921600, while the sum is 66.

The spelling of 400673653751496 in words is "four hundred trillion, six hundred seventy-three billion, six hundred fifty-three million, seven hundred fifty-one thousand, four hundred ninety-six".