40572416 has 40 divisors (see below), whose sum is σ = 81921840. Its totient is φ = 20072448.

The previous prime is 40572409. The next prime is 40572431. The reversal of 40572416 is 61427504.

It is a super-2 number, since 2×40572416² = 3292241880154112, which contains 22 as substring.

It is a congruent number.

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, 55445 + ... + 56171.

It is an arithmetic number, because the mean of its divisors is an integer number (2048046).

Almost surely, 2^40572416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40572416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40960920).

40572416 is an abundant number, since it is smaller than the sum of its proper divisors (41349424).

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

40572416 is an equidigital number, since it uses as much as digits as its factorization.

40572416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40572416 is about 6369.6480279526. The cubic root of 40572416 is about 343.6188314535.

The spelling of 40572416 in words is "forty million, five hundred seventy-two thousand, four hundred sixteen".