259746647952 has 120 divisors (see below), whose sum is σ = 776378051680. Its totient is φ = 74568384000.

The previous prime is 259746647899. The next prime is 259746647959.

259746647952 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×259746647952² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (259746647959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1066549 + ... + 1287252.

Almost surely, 2^259746647952 is an apocalyptic number.

259746647952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

259746647952 is an abundant number, since it is smaller than the sum of its proper divisors (516631403728).

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

259746647952 is a wasteful number, since it uses less digits than its factorization.

259746647952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353853 (or 2353836 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 66.

The spelling of 259746647952 in words is "two hundred fifty-nine billion, seven hundred forty-six million, six hundred forty-seven thousand, nine hundred fifty-two".