64454540460 has 48 divisors (see below), whose sum is σ = 180642988512. Its totient is φ = 17171660800.

The previous prime is 64454540327. The next prime is 64454540473. The reversal of 64454540460 is 6404545446.

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 15 ways as a sum of consecutive naturals, for example, 442581 + ... + 569900.

It is an arithmetic number, because the mean of its divisors is an integer number (3763395594).

Almost surely, 2^64454540460 is an apocalyptic number.

64454540460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64454540460 is an abundant number, since it is smaller than the sum of its proper divisors (116188448052).

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

64454540460 is a wasteful number, since it uses less digits than its factorization.

64454540460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013554 (or 1013552 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 64454540460 in words is "sixty-four billion, four hundred fifty-four million, five hundred forty thousand, four hundred sixty".