40545924 has 48 divisors (see below), whose sum is σ = 100289280. Its totient is φ = 12713760.

The previous prime is 40545919. The next prime is 40545931. The reversal of 40545924 is 42954504.

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, 36619 + ... + 37709.

It is an arithmetic number, because the mean of its divisors is an integer number (2089360).

Almost surely, 2^40545924 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 40545924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50144640).

40545924 is an abundant number, since it is smaller than the sum of its proper divisors (59743356).

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

40545924 is a wasteful number, since it uses less digits than its factorization.

40545924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 40545924 is about 6367.5681386225. The cubic root of 40545924 is about 343.5440258506.

The spelling of 40545924 in words is "forty million, five hundred forty-five thousand, nine hundred twenty-four".