255440598 has 32 divisors (see below), whose sum is σ = 614595840. Its totient is φ = 69141600.

The previous prime is 255440573. The next prime is 255440741. The reversal of 255440598 is 895044552.

It is a super-3 number, since 3×255440598³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 159253 + ... + 160848.

It is an arithmetic number, because the mean of its divisors is an integer number (19206120).

Almost surely, 2^255440598 is an apocalyptic number.

255440598 is an abundant number, since it is smaller than the sum of its proper divisors (359155242).

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

255440598 is a wasteful number, since it uses less digits than its factorization.

255440598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320132.

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 255440598 is about 15982.5091271677. The cubic root of 255440598 is about 634.4975859358.

The spelling of 255440598 in words is "two hundred fifty-five million, four hundred forty thousand, five hundred ninety-eight".