40712532 has 36 divisors (see below), whose sum is σ = 110507040. Its totient is φ = 11631984.

The previous prime is 40712531. The next prime is 40712557. The reversal of 40712532 is 23521704.

40712532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40712531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34032 + ... + 35207.

It is an arithmetic number, because the mean of its divisors is an integer number (3069640).

Almost surely, 2^40712532 is an apocalyptic number.

40712532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40712532 is an abundant number, since it is smaller than the sum of its proper divisors (69794508).

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

40712532 is a wasteful number, since it uses less digits than its factorization.

40712532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69260 (or 69251 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40712532 is about 6380.6372722480. The cubic root of 40712532 is about 344.0139371494.

The spelling of 40712532 in words is "forty million, seven hundred twelve thousand, five hundred thirty-two".