80364258540 has 60 divisors (see below), whose sum is σ = 252105660576. Its totient is φ = 21430468512.

The previous prime is 80364258539. The next prime is 80364258563. The reversal of 80364258540 is 4585246308.

80364258540 is a `hidden beast` number, since 8 + 0 + 3 + 64 + 2 + 585 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-4 number, since 4×80364258540⁴ (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24802164 + ... + 24805403.

Almost surely, 2^80364258540 is an apocalyptic number.

It is an amenable number.

80364258540 is an abundant number, since it is smaller than the sum of its proper divisors (171741402036).

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

80364258540 is a wasteful number, since it uses less digits than its factorization.

80364258540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49607588 (or 49607577 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 80364258540 in words is "eighty billion, three hundred sixty-four million, two hundred fifty-eight thousand, five hundred forty".