40164357 has 4 divisors (see below), whose sum is σ = 53552480. Its totient is φ = 26776236.

The previous prime is 40164349. The next prime is 40164401. The reversal of 40164357 is 75346104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40164357 - 2³ = 40164349 is a prime.

It is a super-2 number, since 2×40164357² = 3226351146446898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40164317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6694057 + ... + 6694062.

It is an arithmetic number, because the mean of its divisors is an integer number (13388120).

Almost surely, 2^40164357 is an apocalyptic number.

It is an amenable number.

40164357 is a deficient number, since it is larger than the sum of its proper divisors (13388123).

40164357 is a wasteful number, since it uses less digits than its factorization.

40164357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13388122.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40164357 is about 6337.5355620304. The cubic root of 40164357 is about 342.4629601019.

The spelling of 40164357 in words is "forty million, one hundred sixty-four thousand, three hundred fifty-seven".