40098624 has 56 divisors (see below), whose sum is σ = 109532928. Its totient is φ = 12933120.

The previous prime is 40098623. The next prime is 40098647. The reversal of 40098624 is 42689004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40098623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584 + ... + 9320.

Almost surely, 2^40098624 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 40098624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54766464).

40098624 is an abundant number, since it is smaller than the sum of its proper divisors (69434304).

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

40098624 is a wasteful number, since it uses less digits than its factorization.

40098624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783 (or 6773 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 40098624 is about 6332.3474320350. The cubic root of 40098624 is about 342.2760330918.

The spelling of 40098624 in words is "forty million, ninety-eight thousand, six hundred twenty-four".