940657794438 has 32 divisors (see below), whose sum is σ = 1899750318336. Its totient is φ = 310480687008.

The previous prime is 940657794397. The next prime is 940657794457. The reversal of 940657794438 is 834497756049.

940657794438 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7553856 + ... + 7677372.

It is an arithmetic number, because the mean of its divisors is an integer number (59367197448).

Almost surely, 2^940657794438 is an apocalyptic number.

940657794438 is an abundant number, since it is smaller than the sum of its proper divisors (959092523898).

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

940657794438 is a wasteful number, since it uses less digits than its factorization.

940657794438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135948.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 940657794438 in words is "nine hundred forty billion, six hundred fifty-seven million, seven hundred ninety-four thousand, four hundred thirty-eight".