40164265 has 8 divisors (see below), whose sum is σ = 48448008. Its totient is φ = 31964160.

The previous prime is 40164259. The next prime is 40164283. The reversal of 40164265 is 56246104.

It can be written as a sum of positive squares in 4 ways, for example, as 826281 + 39337984 = 909^2 + 6272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40164265 - 2²⁵ = 6609833 is a prime.

It is a super-2 number, since 2×40164265² = 3226336365980450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19846 + ... + 21775.

It is an arithmetic number, because the mean of its divisors is an integer number (6056001).

Almost surely, 2^40164265 is an apocalyptic number.

It is an amenable number.

40164265 is a deficient number, since it is larger than the sum of its proper divisors (8283743).

40164265 is a wasteful number, since it uses less digits than its factorization.

40164265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41819.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40164265 is about 6337.5283036843. The cubic root of 40164265 is about 342.4626986212.

It can be divided in two parts, 4016 and 4265, that added together give a square (8281 = 91²).

The spelling of 40164265 in words is "forty million, one hundred sixty-four thousand, two hundred sixty-five".