268680372 has 12 divisors (see below), whose sum is σ = 626920896. Its totient is φ = 89560120.

The previous prime is 268680371. The next prime is 268680413. The reversal of 268680372 is 273086862.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268680371) 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, 11195004 + ... + 11195027.

It is an arithmetic number, because the mean of its divisors is an integer number (52243408).

Almost surely, 2^268680372 is an apocalyptic number.

It is an amenable number.

268680372 is an abundant number, since it is smaller than the sum of its proper divisors (358240524).

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

268680372 is a wasteful number, since it uses less digits than its factorization.

268680372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22390038 (or 22390036 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 268680372 is about 16391.4725390979. The cubic root of 268680372 is about 645.2757045001.

The spelling of 268680372 in words is "two hundred sixty-eight million, six hundred eighty thousand, three hundred seventy-two".