40924820 has 48 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 15286656.

The previous prime is 40924817. The next prime is 40924859. The reversal of 40924820 is 2842904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18746 + ... + 20814.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 2^40924820 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 40924820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45904320).

40924820 is an abundant number, since it is smaller than the sum of its proper divisors (50883820).

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

40924820 is a wasteful number, since it uses less digits than its factorization.

40924820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40924820 is about 6397.2509720973. The cubic root of 40924820 is about 344.6108333192.

The spelling of 40924820 in words is "forty million, nine hundred twenty-four thousand, eight hundred twenty".