40598613 has 12 divisors (see below), whose sum is σ = 63973728. Its totient is φ = 24605160.

The previous prime is 40598609. The next prime is 40598627. The reversal of 40598613 is 31689504.

40598613 is a `hidden beast` number, since 4 + 0 + 598 + 61 + 3 = 666.

It is not a de Polignac number, because 40598613 - 2² = 40598609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40598683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204945 + ... + 205142.

It is an arithmetic number, because the mean of its divisors is an integer number (5331144).

Almost surely, 2^40598613 is an apocalyptic number.

It is an amenable number.

40598613 is a deficient number, since it is larger than the sum of its proper divisors (23375115).

40598613 is a wasteful number, since it uses less digits than its factorization.

40598613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410104 (or 410101 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40598613 is about 6371.7040891743. The cubic root of 40598613 is about 343.6927720489.

The spelling of 40598613 in words is "forty million, five hundred ninety-eight thousand, six hundred thirteen".