40537284 has 12 divisors (see below), whose sum is σ = 94587024. Its totient is φ = 13512424.

The previous prime is 40537249. The next prime is 40537297. The reversal of 40537284 is 48273504.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1689042 + ... + 1689065.

It is an arithmetic number, because the mean of its divisors is an integer number (7882252).

Almost surely, 2^40537284 is an apocalyptic number.

It is an amenable number.

40537284 is an abundant number, since it is smaller than the sum of its proper divisors (54049740).

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

40537284 is a wasteful number, since it uses less digits than its factorization.

40537284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378114 (or 3378112 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 40537284 is about 6366.8896645065. The cubic root of 40537284 is about 343.5196219899.

The spelling of 40537284 in words is "forty million, five hundred thirty-seven thousand, two hundred eighty-four".