259426020 has 48 divisors (see below), whose sum is σ = 830164608. Its totient is φ = 59297280.

The previous prime is 259425979. The next prime is 259426049. The reversal of 259426020 is 20624952.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 308421 + ... + 309260.

It is an arithmetic number, because the mean of its divisors is an integer number (17295096).

Almost surely, 2^259426020 is an apocalyptic number.

259426020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259426020 is an abundant number, since it is smaller than the sum of its proper divisors (570738588).

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

259426020 is a wasteful number, since it uses less digits than its factorization.

259426020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617700 (or 617698 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 259426020 is about 16106.7072985139. The cubic root of 259426020 is about 637.7804133548.

The spelling of 259426020 in words is "two hundred fifty-nine million, four hundred twenty-six thousand, twenty".