268766390 has 16 divisors (see below), whose sum is σ = 484758000. Its totient is φ = 107289120.

The previous prime is 268766387. The next prime is 268766479. The reversal of 268766390 is 93667862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21941 + ... + 31920.

It is an arithmetic number, because the mean of its divisors is an integer number (30297375).

Almost surely, 2^268766390 is an apocalyptic number.

268766390 is a deficient number, since it is larger than the sum of its proper divisors (215991610).

268766390 is a wasteful number, since it uses less digits than its factorization.

268766390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54367.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 268766390 is about 16394.0961934472. The cubic root of 268766390 is about 645.3445588081.

The spelling of 268766390 in words is "two hundred sixty-eight million, seven hundred sixty-six thousand, three hundred ninety".