40164795 has 128 divisors (see below), whose sum is σ = 86676480. Its totient is φ = 17418240.

The previous prime is 40164793. The next prime is 40164799. The reversal of 40164795 is 59746104.

40164795 is a `hidden beast` number, since 4 + 0 + 1 + 647 + 9 + 5 = 666.

It is not a de Polignac number, because 40164795 - 2¹ = 40164793 is a prime.

It is a super-2 number, since 2×40164795² = 3226421514784050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40164793) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 934044 + ... + 934086.

It is an arithmetic number, because the mean of its divisors is an integer number (677160).

Almost surely, 2^40164795 is an apocalyptic number.

40164795 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40164795 is an abundant number, since it is smaller than the sum of its proper divisors (46511685).

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

40164795 is a wasteful number, since it uses less digits than its factorization.

40164795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40164795 is about 6337.5701179553. The cubic root of 40164795 is about 342.4642049721.

The spelling of 40164795 in words is "forty million, one hundred sixty-four thousand, seven hundred ninety-five".