814939472032 has 96 divisors (see below), whose sum is σ = 1902586952448. Its totient is φ = 336316686336.

The previous prime is 814939471999. The next prime is 814939472063. The reversal of 814939472032 is 230274939418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297093 + ... + 1310779.

It is an arithmetic number, because the mean of its divisors is an integer number (19818614088).

Almost surely, 2^814939472032 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 814939472032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951293476224).

814939472032 is an abundant number, since it is smaller than the sum of its proper divisors (1087647480416).

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

814939472032 is a wasteful number, since it uses less digits than its factorization.

814939472032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013838 (or 1013830 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 814939472032 in words is "eight hundred fourteen billion, nine hundred thirty-nine million, four hundred seventy-two thousand, thirty-two".