259024752640 has 52 divisors (see below), whose sum is σ = 621583569324. Its totient is φ = 103609892864.

The previous prime is 259024752629. The next prime is 259024752643. The reversal of 259024752640 is 46257420952.

It can be written as a sum of positive squares in 2 ways, for example, as 38831067136 + 220193685504 = 197056^2 + 469248^2 .

It is not an unprimeable number, because it can be changed into a prime (259024752643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6303367 + ... + 6344326.

Almost surely, 2^259024752640 is an apocalyptic number.

259024752640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259024752640 is an abundant number, since it is smaller than the sum of its proper divisors (362558816684).

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

259024752640 is an equidigital number, since it uses as much as digits as its factorization.

259024752640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12647722 (or 12647700 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 259024752640 in words is "two hundred fifty-nine billion, twenty-four million, seven hundred fifty-two thousand, six hundred forty".