40992744 has 128 divisors (see below), whose sum is σ = 117210240. Its totient is φ = 11860992.

The previous prime is 40992733. The next prime is 40992761. The reversal of 40992744 is 44729904.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611799 + ... + 611865.

It is an arithmetic number, because the mean of its divisors is an integer number (915705).

Almost surely, 2^40992744 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 40992744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58605120).

40992744 is an abundant number, since it is smaller than the sum of its proper divisors (76217496).

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

40992744 is a wasteful number, since it uses less digits than its factorization.

40992744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 40992744 is about 6402.5576139540. The cubic root of 40992744 is about 344.8013811599.

The spelling of 40992744 in words is "forty million, nine hundred ninety-two thousand, seven hundred forty-four".