40272456 has 128 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 10601472.

The previous prime is 40272443. The next prime is 40272487. The reversal of 40272456 is 65427204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168385 + ... + 168623.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^40272456 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 40272456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62208000).

40272456 is an abundant number, since it is smaller than the sum of its proper divisors (84143544).

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

40272456 is a wasteful number, since it uses less digits than its factorization.

40272456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 40272456 is about 6346.0583041759. The cubic root of 40272456 is about 342.7699216624.

The spelling of 40272456 in words is "forty million, two hundred seventy-two thousand, four hundred fifty-six".