459394344540 has 36 divisors (see below), whose sum is σ = 1393496178984. Its totient is φ = 122505158496.

The previous prime is 459394344527. The next prime is 459394344553. The reversal of 459394344540 is 45443493954.

It is a happy number.

459394344540 is a `hidden beast` number, since 4 + 5 + 9 + 3 + 94 + 3 + 4 + 4 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (459394344527) and next prime (459394344553).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×459394344540² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276095222 + ... + 1276095581.

It is an arithmetic number, because the mean of its divisors is an integer number (38708227194).

Almost surely, 2^459394344540 is an apocalyptic number.

It is an amenable number.

459394344540 is an abundant number, since it is smaller than the sum of its proper divisors (934101834444).

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

459394344540 is a wasteful number, since it uses less digits than its factorization.

459394344540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552190818 (or 2552190813 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 459394344540 in words is "four hundred fifty-nine billion, three hundred ninety-four million, three hundred forty-four thousand, five hundred forty".