40970272 has 144 divisors (see below), whose sum is σ = 104713560. Its totient is φ = 15654912.

The previous prime is 40970263. The next prime is 40970311. The reversal of 40970272 is 27207904.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40398736 + 571536 = 6356^2 + 756^2 .

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, 772998 + ... + 773050.

Almost surely, 2^40970272 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 40970272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52356780).

40970272 is an abundant number, since it is smaller than the sum of its proper divisors (63743288).

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

40970272 is a wasteful number, since it uses less digits than its factorization.

40970272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 40970272 is about 6400.8024496933. The cubic root of 40970272 is about 344.7383635606.

The spelling of 40970272 in words is "forty million, nine hundred seventy thousand, two hundred seventy-two".