40365492 has 12 divisors (see below), whose sum is σ = 94186176. Its totient is φ = 13455160.

The previous prime is 40365491. The next prime is 40365509. The reversal of 40365492 is 29456304.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40365491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681884 + ... + 1681907.

It is an arithmetic number, because the mean of its divisors is an integer number (7848848).

Almost surely, 2^40365492 is an apocalyptic number.

It is an amenable number.

40365492 is an abundant number, since it is smaller than the sum of its proper divisors (53820684).

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

40365492 is a wasteful number, since it uses less digits than its factorization.

40365492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363798 (or 3363796 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 40365492 is about 6353.3842950037. The cubic root of 40365492 is about 343.0336703057.

The spelling of 40365492 in words is "forty million, three hundred sixty-five thousand, four hundred ninety-two".