654379764480 has 432 divisors, whose sum is σ = 2449114668000. Its totient is φ = 160360169472.

The previous prime is 654379764473. The next prime is 654379764523. The reversal of 654379764480 is 84467973456.

It is a happy number.

654379764480 is a `hidden beast` number, since 6 + 5 + 4 + 3 + 7 + 97 + 64 + 480 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33985896 + ... + 34005144.

Almost surely, 2^654379764480 is an apocalyptic number.

654379764480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654379764480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224557334000).

654379764480 is an abundant number, since it is smaller than the sum of its proper divisors (1794734903520).

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

654379764480 is a wasteful number, since it uses less digits than its factorization.

654379764480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19516 (or 19499 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 654379764480 in words is "six hundred fifty-four billion, three hundred seventy-nine million, seven hundred sixty-four thousand, four hundred eighty".