921040496376 has 384 divisors, whose sum is σ = 3331928597760. Its totient is φ = 207838310400.

The previous prime is 921040496303. The next prime is 921040496401. The reversal of 921040496376 is 673694040129.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2697771 + ... + 3019941.

It is an arithmetic number, because the mean of its divisors is an integer number (8676897390).

Almost surely, 2^921040496376 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 921040496376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665964298880).

921040496376 is an abundant number, since it is smaller than the sum of its proper divisors (2410888101384).

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

921040496376 is a wasteful number, since it uses less digits than its factorization.

921040496376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322235 (or 322224 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 921040496376 in words is "nine hundred twenty-one billion, forty million, four hundred ninety-six thousand, three hundred seventy-six".