100440474 has 16 divisors (see below), whose sum is σ = 201892800. Its totient is φ = 33311520.

The previous prime is 100440421. The next prime is 100440497. The reversal of 100440474 is 474044001.

It is a Curzon 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, 40867 + ... + 43254.

It is an arithmetic number, because the mean of its divisors is an integer number (12618300).

Almost surely, 2^100440474 is an apocalyptic number.

100440474 is an abundant number, since it is smaller than the sum of its proper divisors (101452326).

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

100440474 is a wasteful number, since it uses less digits than its factorization.

100440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84325.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 100440474 is about 10021.9995010976. Note that the first 3 decimals coincide. The cubic root of 100440474 is about 464.8393849263.

Adding to 100440474 its reverse (474044001), we get a palindrome (574484475).

The spelling of 100440474 in words is "one hundred million, four hundred forty thousand, four hundred seventy-four".