40324986 has 128 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 11197440.

The previous prime is 40324967. The next prime is 40325023. The reversal of 40324986 is 68942304.

It is a happy number.

40324986 is a `hidden beast` number, since 403 + 249 + 8 + 6 = 666.

It is a super-2 number, since 2×40324986² = 3252208991800392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40324986.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 369900 + ... + 370008.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^40324986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40324986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53222400).

40324986 is an abundant number, since it is smaller than the sum of its proper divisors (66119814).

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

40324986 is a wasteful number, since it uses less digits than its factorization.

40324986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 40324986 is about 6350.1957450145. The cubic root of 40324986 is about 342.9188893256.

The spelling of 40324986 in words is "forty million, three hundred twenty-four thousand, nine hundred eighty-six".