268720476 has 24 divisors (see below), whose sum is σ = 627279744. Its totient is φ = 89535600.

The previous prime is 268720471. The next prime is 268720481. The reversal of 268720476 is 674027862.

It is an interprime number because it is at equal distance from previous prime (268720471) and next prime (268720481).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268720471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51801 + ... + 56751.

It is an arithmetic number, because the mean of its divisors is an integer number (26136656).

Almost surely, 2^268720476 is an apocalyptic number.

It is an amenable number.

268720476 is an abundant number, since it is smaller than the sum of its proper divisors (358559268).

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

268720476 is a wasteful number, since it uses less digits than its factorization.

268720476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9481 (or 9479 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 268720476 is about 16392.6958124648. The cubic root of 268720476 is about 645.3078081346.

The spelling of 268720476 in words is "two hundred sixty-eight million, seven hundred twenty thousand, four hundred seventy-six".