268140120 has 32 divisors (see below), whose sum is σ = 804420720. Its totient is φ = 71504000.

The previous prime is 268140083. The next prime is 268140127. The reversal of 268140120 is 21041862.

It is a super-2 number, since 2×268140120² = 143798247907228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268140127) 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, 1117131 + ... + 1117370.

Almost surely, 2^268140120 is an apocalyptic number.

268140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268140120 is an abundant number, since it is smaller than the sum of its proper divisors (536280600).

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

268140120 is a wasteful number, since it uses less digits than its factorization.

268140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234515 (or 2234511 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 268140120 is about 16374.9845801454. The cubic root of 268140120 is about 644.8429158960.

Adding to 268140120 its reverse (21041862), we get a palindrome (289181982).

The spelling of 268140120 in words is "two hundred sixty-eight million, one hundred forty thousand, one hundred twenty".