259120440 has 48 divisors (see below), whose sum is σ = 842142600. Its totient is φ = 69098688.

The previous prime is 259120429. The next prime is 259120453. The reversal of 259120440 is 44021952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359530 + ... + 360249.

Almost surely, 2^259120440 is an apocalyptic number.

259120440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259120440 is an abundant number, since it is smaller than the sum of its proper divisors (583022160).

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

259120440 is a wasteful number, since it uses less digits than its factorization.

259120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719796 (or 719789 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 259120440 is about 16097.2183932504. The cubic root of 259120440 is about 637.5298994050.

It can be divided in two parts, 259120 and 440, that added together give a triangular number (259560 = T₇₂₀).

The spelling of 259120440 in words is "two hundred fifty-nine million, one hundred twenty thousand, four hundred forty".