40091464 has 16 divisors (see below), whose sum is σ = 85910400. Its totient is φ = 17182032.

The previous prime is 40091449. The next prime is 40091497. The reversal of 40091464 is 46419004.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 357904 + ... + 358015.

It is an arithmetic number, because the mean of its divisors is an integer number (5369400).

Almost surely, 2^40091464 is an apocalyptic number.

It is an amenable number.

40091464 is an abundant number, since it is smaller than the sum of its proper divisors (45818936).

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

40091464 is a wasteful number, since it uses less digits than its factorization.

40091464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715932 (or 715928 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40091464 is about 6331.7820556302. The cubic root of 40091464 is about 342.2556596390.

The spelling of 40091464 in words is "forty million, ninety-one thousand, four hundred sixty-four".