40966731 has 24 divisors (see below), whose sum is σ = 63976640. Its totient is φ = 25111296.

The previous prime is 40966697. The next prime is 40966777. The reversal of 40966731 is 13766904.

It is not a de Polignac number, because 40966731 - 2¹⁴ = 40950347 is a prime.

It is a super-2 number, since 2×40966731² = 3356546097652722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40966781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38910 + ... + 39948.

Almost surely, 2^40966731 is an apocalyptic number.

40966731 is a deficient number, since it is larger than the sum of its proper divisors (23009909).

40966731 is a wasteful number, since it uses less digits than its factorization.

40966731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40966731 is about 6400.5258377730. The cubic root of 40966731 is about 344.7284315322.

The spelling of 40966731 in words is "forty million, nine hundred sixty-six thousand, seven hundred thirty-one".