40670944 has 48 divisors (see below), whose sum is σ = 85034880. Its totient is φ = 19094400.

The previous prime is 40670879. The next prime is 40670947. The reversal of 40670944 is 44907604.

It is a super-2 number, since 2×40670944² = 3308251371702272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670947) 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, 91587 + ... + 92029.

It is an arithmetic number, because the mean of its divisors is an integer number (1771560).

Almost surely, 2^40670944 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 40670944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42517440).

40670944 is an abundant number, since it is smaller than the sum of its proper divisors (44363936).

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

40670944 is a wasteful number, since it uses less digits than its factorization.

40670944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40670944 is about 6377.3775174440. The cubic root of 40670944 is about 343.8967600774.

It can be divided in two parts, 40670 and 944, that added together give a palindrome (41614).

The spelling of 40670944 in words is "forty million, six hundred seventy thousand, nine hundred forty-four".