40572415 has 8 divisors (see below), whose sum is σ = 52432128. Its totient is φ = 29961120.

The previous prime is 40572409. The next prime is 40572431. The reversal of 40572415 is 51427504.

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

It is not a de Polignac number, because 40572415 - 2⁵ = 40572383 is a prime.

It is a super-2 number, since 2×40572415² = 3292241717864450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312031 + ... + 312160.

It is an arithmetic number, because the mean of its divisors is an integer number (6554016).

Almost surely, 2^40572415 is an apocalyptic number.

40572415 is a deficient number, since it is larger than the sum of its proper divisors (11859713).

40572415 is a wasteful number, since it uses less digits than its factorization.

40572415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624209.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 40572415 is about 6369.6479494553. The cubic root of 40572415 is about 343.6188286304.

Adding to 40572415 its reverse (51427504), we get a palindrome (91999919).

The spelling of 40572415 in words is "forty million, five hundred seventy-two thousand, four hundred fifteen".