40098588 has 48 divisors (see below), whose sum is σ = 98958720. Its totient is φ = 12602304.

The previous prime is 40098577. The next prime is 40098613. The reversal of 40098588 is 88589004.

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, 90295 + ... + 90737.

It is an arithmetic number, because the mean of its divisors is an integer number (2061640).

Almost surely, 2^40098588 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 40098588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49479360).

40098588 is an abundant number, since it is smaller than the sum of its proper divisors (58860132).

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

40098588 is a wasteful number, since it uses less digits than its factorization.

40098588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 40098588 is about 6332.3445894866. The cubic root of 40098588 is about 342.2759306615.

The spelling of 40098588 in words is "forty million, ninety-eight thousand, five hundred eighty-eight".