40712944 has 40 divisors (see below), whose sum is σ = 82807200. Its totient is φ = 19354368.

The previous prime is 40712941. The next prime is 40712983. The reversal of 40712944 is 44921704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40712941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116482 + ... + 116830.

It is an arithmetic number, because the mean of its divisors is an integer number (2070180).

Almost surely, 2^40712944 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 40712944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41403600).

40712944 is an abundant number, since it is smaller than the sum of its proper divisors (42094256).

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

40712944 is a wasteful number, since it uses less digits than its factorization.

40712944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 40712944 is about 6380.6695573427. The cubic root of 40712944 is about 344.0150975887.

The spelling of 40712944 in words is "forty million, seven hundred twelve thousand, nine hundred forty-four".