100402260 has 48 divisors (see below), whose sum is σ = 321288576. Its totient is φ = 22948992.

The previous prime is 100402249. The next prime is 100402261. The reversal of 100402260 is 62204001.

It is a super-2 number, since 2×100402260² = 20161227626215200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100402261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119107 + ... + 119946.

It is an arithmetic number, because the mean of its divisors is an integer number (6693512).

Almost surely, 2^100402260 is an apocalyptic number.

100402260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100402260 is an abundant number, since it is smaller than the sum of its proper divisors (220886316).

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

100402260 is a wasteful number, since it uses less digits than its factorization.

100402260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239072 (or 239070 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100402260 is about 10020.0928139414. The cubic root of 100402260 is about 464.7804258739.

Adding to 100402260 its reverse (62204001), we get a palindrome (162606261).

The spelling of 100402260 in words is "one hundred million, four hundred two thousand, two hundred sixty".