40642532 has 24 divisors (see below), whose sum is σ = 81459840. Its totient is φ = 17380800.

The previous prime is 40642517. The next prime is 40642549. The reversal of 40642532 is 23524604.

40642532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14657 + ... + 17207.

It is an arithmetic number, because the mean of its divisors is an integer number (3394160).

Almost surely, 2^40642532 is an apocalyptic number.

It is an amenable number.

40642532 is an abundant number, since it is smaller than the sum of its proper divisors (40817308).

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

40642532 is a wasteful number, since it uses less digits than its factorization.

40642532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40642532 is about 6375.1495668729. The cubic root of 40642532 is about 343.8166613639.

The spelling of 40642532 in words is "forty million, six hundred forty-two thousand, five hundred thirty-two".