40992500 has 60 divisors (see below), whose sum is σ = 94469760. Its totient is φ = 15516000.

The previous prime is 40992487. The next prime is 40992517. The reversal of 40992500 is 529904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47069 + ... + 47931.

It is an arithmetic number, because the mean of its divisors is an integer number (1574496).

Almost surely, 2^40992500 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 40992500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47234880).

40992500 is an abundant number, since it is smaller than the sum of its proper divisors (53477260).

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

40992500 is a wasteful number, since it uses less digits than its factorization.

40992500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 40992500 is about 6402.5385590405. The cubic root of 40992500 is about 344.8006970412.

The spelling of 40992500 in words is "forty million, nine hundred ninety-two thousand, five hundred".