940644455 has 16 divisors (see below), whose sum is σ = 1181062080. Its totient is φ = 717835008.

The previous prime is 940644443. The next prime is 940644469. The reversal of 940644455 is 554446049.

It is a cyclic number.

It is not a de Polignac number, because 940644455 - 2²⁰ = 939595879 is a prime.

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, 31931 + ... + 53859.

It is an arithmetic number, because the mean of its divisors is an integer number (73816380).

Almost surely, 2^940644455 is an apocalyptic number.

940644455 is a deficient number, since it is larger than the sum of its proper divisors (240417625).

940644455 is a wasteful number, since it uses less digits than its factorization.

940644455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22330.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 940644455 is about 30669.9275349649. The cubic root of 940644455 is about 979.8099225275.

The spelling of 940644455 in words is "nine hundred forty million, six hundred forty-four thousand, four hundred fifty-five".