654815480 has 128 divisors (see below), whose sum is σ = 1688463360. Its totient is φ = 226368000.

The previous prime is 654815471. The next prime is 654815507. The reversal of 654815480 is 84518456.

654815480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831647 + ... + 832433.

It is an arithmetic number, because the mean of its divisors is an integer number (13191120).

Almost surely, 2^654815480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654815480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844231680).

654815480 is an abundant number, since it is smaller than the sum of its proper divisors (1033647880).

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

654815480 is a wasteful number, since it uses less digits than its factorization.

654815480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 654815480 is about 25589.3626337195. The cubic root of 654815480 is about 868.3730018567.

The spelling of 654815480 in words is "six hundred fifty-four million, eight hundred fifteen thousand, four hundred eighty".