268703540 has 24 divisors (see below), whose sum is σ = 644888832. Its totient is φ = 92126880.

The previous prime is 268703537. The next prime is 268703543. The reversal of 268703540 is 45307862.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (268703537) and next prime (268703543).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 268703540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268703543) 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, 959516 + ... + 959795.

It is an arithmetic number, because the mean of its divisors is an integer number (26870368).

Almost surely, 2^268703540 is an apocalyptic number.

268703540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268703540 is an abundant number, since it is smaller than the sum of its proper divisors (376185292).

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

268703540 is a wasteful number, since it uses less digits than its factorization.

268703540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919327 (or 1919325 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 268703540 is about 16392.1792327927. The cubic root of 268703540 is about 645.2942510947.

The spelling of 268703540 in words is "two hundred sixty-eight million, seven hundred three thousand, five hundred forty".