40760991 has 24 divisors (see below), whose sum is σ = 62375040. Its totient is φ = 25595856.

The previous prime is 40760989. The next prime is 40760999. The reversal of 40760991 is 19906704.

40760991 is a `hidden beast` number, since 40 + 7 + 609 + 9 + 1 = 666.

It is not a de Polignac number, because 40760991 - 2¹ = 40760989 is a prime.

It is a super-2 number, since 2×40760991² = 3322916774604162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40760999) 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, 12400 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (2598960).

Almost surely, 2^40760991 is an apocalyptic number.

40760991 is a deficient number, since it is larger than the sum of its proper divisors (21614049).

40760991 is a wasteful number, since it uses less digits than its factorization.

40760991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 40760991 is about 6384.4334909215. The cubic root of 40760991 is about 344.1503731210.

The spelling of 40760991 in words is "forty million, seven hundred sixty thousand, nine hundred ninety-one".