40458660860 has 24 divisors (see below), whose sum is σ = 85029464016. Its totient is φ = 16170840320.

The previous prime is 40458660839. The next prime is 40458660881. The reversal of 40458660860 is 6806685404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40458660839) and next prime (40458660881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762701 + ... + 814020.

It is an arithmetic number, because the mean of its divisors is an integer number (3542894334).

Almost surely, 2^40458660860 is an apocalyptic number.

It is an amenable number.

40458660860 is an abundant number, since it is smaller than the sum of its proper divisors (44570803156).

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

40458660860 is a wasteful number, since it uses less digits than its factorization.

40458660860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578013 (or 1578011 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 40458660860 in words is "forty billion, four hundred fifty-eight million, six hundred sixty thousand, eight hundred sixty".