40124994 has 48 divisors (see below), whose sum is σ = 99329472. Its totient is φ = 10580544.

The previous prime is 40124963. The next prime is 40125023. The reversal of 40124994 is 49942104.

It is a super-2 number, since 2×40124994² = 3220030287000072, which contains 22 as substring.

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, 4272 + ... + 9924.

It is an arithmetic number, because the mean of its divisors is an integer number (2069364).

Almost surely, 2^40124994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40124994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49664736).

40124994 is an abundant number, since it is smaller than the sum of its proper divisors (59204478).

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

40124994 is a wasteful number, since it uses less digits than its factorization.

40124994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 40124994 is about 6334.4292560577. The cubic root of 40124994 is about 342.3510468144.

The spelling of 40124994 in words is "forty million, one hundred twenty-four thousand, nine hundred ninety-four".