654334480 has 40 divisors (see below), whose sum is σ = 1533330432. Its totient is φ = 259668864.

The previous prime is 654334477. The next prime is 654334489. The reversal of 654334480 is 84433456.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×654334480² = 856307223433740800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654334489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22042 + ... + 42361.

Almost surely, 2^654334480 is an apocalyptic number.

It is an amenable number.

654334480 is an abundant number, since it is smaller than the sum of its proper divisors (878995952).

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

654334480 is a wasteful number, since it uses less digits than its factorization.

654334480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64543 (or 64537 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 654334480 is about 25579.9624706527. The cubic root of 654334480 is about 868.1603263064.

The spelling of 654334480 in words is "six hundred fifty-four million, three hundred thirty-four thousand, four hundred eighty".