655374480 has 240 divisors, whose sum is σ = 2239570944. Its totient is φ = 157982720.

The previous prime is 655374437. The next prime is 655374493. The reversal of 655374480 is 84473556.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

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, 3431185 + ... + 3431375.

Almost surely, 2^655374480 is an apocalyptic number.

655374480 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 655374480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119785472).

655374480 is an abundant number, since it is smaller than the sum of its proper divisors (1584196464).

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

655374480 is a wasteful number, since it uses less digits than its factorization.

655374480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 655374480 is about 25600.2828109379. The cubic root of 655374480 is about 868.6200345235.

The spelling of 655374480 in words is "six hundred fifty-five million, three hundred seventy-four thousand, four hundred eighty".