40364442 has 12 divisors (see below), whose sum is σ = 87456330. Its totient is φ = 13454808.

The previous prime is 40364413. The next prime is 40364461. The reversal of 40364442 is 24446304.

It can be written as a sum of positive squares in only one way, i.e., 40335201 + 29241 = 6351^2 + 171^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121217 + ... + 1121252.

Almost surely, 2^40364442 is an apocalyptic number.

40364442 is an abundant number, since it is smaller than the sum of its proper divisors (47091888).

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

40364442 is a wasteful number, since it uses less digits than its factorization.

40364442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242477 (or 2242474 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 40364442 is about 6353.3016613411. The cubic root of 40364442 is about 343.0306959130.

The spelling of 40364442 in words is "forty million, three hundred sixty-four thousand, four hundred forty-two".