940390922528 has 18 divisors (see below), whose sum is σ = 1851405428691. Its totient is φ = 470192718432.

The previous prime is 940390922521. The next prime is 940390922551. The reversal of 940390922528 is 825229093049.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 470195461264 + 470195461264 = 685708^2 + 685708^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=685708.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 940390922528.

It is not an unprimeable number, because it can be changed into a prime (940390922521) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5399951 + ... + 5571377.

Almost surely, 2^940390922528 is an apocalyptic number.

It is an amenable number.

940390922528 is a deficient number, since it is larger than the sum of its proper divisors (911014506163).

940390922528 is an frugal number, since it uses more digits than its factorization.

940390922528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342864 (or 171429 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 940390922528 in words is "nine hundred forty billion, three hundred ninety million, nine hundred twenty-two thousand, five hundred twenty-eight".