40868918592 has 112 divisors (see below), whose sum is σ = 114684243072. Its totient is φ = 12816967680.

The previous prime is 40868918591. The next prime is 40868918593. The reversal of 40868918592 is 29581986804.

It is an interprime number because it is at equal distance from previous prime (40868918591) and next prime (40868918593).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40868918591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193518 + ... + 345234.

It is an arithmetic number, because the mean of its divisors is an integer number (1023966456).

Almost surely, 2^40868918592 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 40868918592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57342121536).

40868918592 is an abundant number, since it is smaller than the sum of its proper divisors (73815324480).

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

40868918592 is a wasteful number, since it uses less digits than its factorization.

40868918592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151816 (or 151806 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 40868918592 in words is "forty billion, eight hundred sixty-eight million, nine hundred eighteen thousand, five hundred ninety-two".