268278100 has 36 divisors (see below), whose sum is σ = 612808000. Its totient is φ = 101662560.

The previous prime is 268278097. The next prime is 268278107. The reversal of 268278100 is 1872862.

It is a super-2 number, since 2×268278100² = 143946277879220000, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268278107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68700 + ... + 72499.

Almost surely, 2^268278100 is an apocalyptic number.

268278100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268278100 is an abundant number, since it is smaller than the sum of its proper divisors (344529900).

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

268278100 is a wasteful number, since it uses less digits than its factorization.

268278100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141232 (or 141225 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 268278100 is about 16379.1971720228. The cubic root of 268278100 is about 644.9535050514.

The spelling of 268278100 in words is "two hundred sixty-eight million, two hundred seventy-eight thousand, one hundred".