40992740 has 24 divisors (see below), whose sum is σ = 86271360. Its totient is φ = 16361568.

The previous prime is 40992733. The next prime is 40992761. The reversal of 40992740 is 4729904.

It is a self number, because there is not a number n which added to its sum of digits gives 40992740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8501 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (3594640).

Almost surely, 2^40992740 is an apocalyptic number.

It is an amenable number.

40992740 is an abundant number, since it is smaller than the sum of its proper divisors (45278620).

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

40992740 is a wasteful number, since it uses less digits than its factorization.

40992740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40992740 is about 6402.5573015788. The cubic root of 40992740 is about 344.8013699448.

The spelling of 40992740 in words is "forty million, nine hundred ninety-two thousand, seven hundred forty".