40372596 has 72 divisors (see below), whose sum is σ = 112039200. Its totient is φ = 12156480.

The previous prime is 40372583. The next prime is 40372621. The reversal of 40372596 is 69527304.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40372596.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106335 + ... + 106713.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^40372596 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 40372596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56019600).

40372596 is an abundant number, since it is smaller than the sum of its proper divisors (71666604).

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

40372596 is a wasteful number, since it uses less digits than its factorization.

40372596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 40372596 is about 6353.9433425236. The cubic root of 40372596 is about 343.0537928421.

The spelling of 40372596 in words is "forty million, three hundred seventy-two thousand, five hundred ninety-six".