40577232 has 40 divisors (see below), whose sum is σ = 110992896. Its totient is φ = 12729856.

The previous prime is 40577227. The next prime is 40577237. The reversal of 40577232 is 23277504.

It is an interprime number because it is at equal distance from previous prime (40577227) and next prime (40577237).

It is a self number, because there is not a number n which added to its sum of digits gives 40577232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40577237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24048 + ... + 25679.

Almost surely, 2^40577232 is an apocalyptic number.

It is an amenable number.

40577232 is an abundant number, since it is smaller than the sum of its proper divisors (70415664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40577232 is a wasteful number, since it uses less digits than its factorization.

40577232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49755 (or 49749 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 40577232 is about 6370.0260596013. The cubic root of 40577232 is about 343.6324269204.

The spelling of 40577232 in words is "forty million, five hundred seventy-seven thousand, two hundred thirty-two".