40929424 has 40 divisors (see below), whose sum is σ = 82494720. Its totient is φ = 19651200.

The previous prime is 40929407. The next prime is 40929431. The reversal of 40929424 is 42492904.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40929424.

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, 88554 + ... + 89014.

It is an arithmetic number, because the mean of its divisors is an integer number (2062368).

Almost surely, 2^40929424 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 40929424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41247360).

40929424 is an abundant number, since it is smaller than the sum of its proper divisors (41565296).

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

40929424 is a wasteful number, since it uses less digits than its factorization.

40929424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40929424 is about 6397.6108040424. The cubic root of 40929424 is about 344.6237556223.

The spelling of 40929424 in words is "forty million, nine hundred twenty-nine thousand, four hundred twenty-four".