526661268 has 96 divisors (see below), whose sum is σ = 1480550400. Its totient is φ = 142454400.

The previous prime is 526661249. The next prime is 526661269. The reversal of 526661268 is 862166625.

It is a super-2 number, since 2×526661268² = 554744182422735648, which contains 22 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 not an unprimeable number, because it can be changed into a prime (526661269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193783 + ... + 196481.

It is an arithmetic number, because the mean of its divisors is an integer number (15422400).

Almost surely, 2^526661268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 526661268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740275200).

526661268 is an abundant number, since it is smaller than the sum of its proper divisors (953889132).

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

526661268 is a wasteful number, since it uses less digits than its factorization.

526661268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2835 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 526661268 is about 22949.1016817652. The cubic root of 526661268 is about 807.5643278348.

The spelling of 526661268 in words is "five hundred twenty-six million, six hundred sixty-one thousand, two hundred sixty-eight".