655142260 has 48 divisors (see below), whose sum is σ = 1475228160. Its totient is φ = 243509760.

The previous prime is 655142221. The next prime is 655142291. The reversal of 655142260 is 62241556.

655142260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×655142260² = 858422761675815200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14665 + ... + 39055.

It is an arithmetic number, because the mean of its divisors is an integer number (30733920).

Almost surely, 2^655142260 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 655142260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737614080).

655142260 is an abundant number, since it is smaller than the sum of its proper divisors (820085900).

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

655142260 is a wasteful number, since it uses less digits than its factorization.

655142260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24496 (or 24494 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 655142260 is about 25595.7469123290. The cubic root of 655142260 is about 868.5174291788.

The spelling of 655142260 in words is "six hundred fifty-five million, one hundred forty-two thousand, two hundred sixty".