40580916 has 12 divisors (see below), whose sum is σ = 94688832. Its totient is φ = 13526968.

The previous prime is 40580909. The next prime is 40580923. The reversal of 40580916 is 61908504.

It is an interprime number because it is at equal distance from previous prime (40580909) and next prime (40580923).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690860 + ... + 1690883.

It is an arithmetic number, because the mean of its divisors is an integer number (7890736).

Almost surely, 2^40580916 is an apocalyptic number.

It is an amenable number.

40580916 is an abundant number, since it is smaller than the sum of its proper divisors (54107916).

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

40580916 is a wasteful number, since it uses less digits than its factorization.

40580916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381750 (or 3381748 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 40580916 is about 6370.3152198302. The cubic root of 40580916 is about 343.6428260490.

The spelling of 40580916 in words is "forty million, five hundred eighty thousand, nine hundred sixteen".