940553407 has 16 divisors (see below), whose sum is σ = 1028057184. Its totient is φ = 856960000.

The previous prime is 940553359. The next prime is 940553413. The reversal of 940553407 is 704355049.

It is a cyclic number.

It is not a de Polignac number, because 940553407 - 2²³ = 932164799 is a prime.

It is a super-2 number, since 2×940553407² = 1769281422838615298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940553417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86157 + ... + 96457.

It is an arithmetic number, because the mean of its divisors is an integer number (64253574).

Almost surely, 2^940553407 is an apocalyptic number.

940553407 is a deficient number, since it is larger than the sum of its proper divisors (87503777).

940553407 is a wasteful number, since it uses less digits than its factorization.

940553407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 940553407 is about 30668.4431786160. The cubic root of 940553407 is about 979.7783085237.

The spelling of 940553407 in words is "nine hundred forty million, five hundred fifty-three thousand, four hundred seven".