100240478 has 16 divisors (see below), whose sum is σ = 162405600. Its totient is φ = 46128096.

The previous prime is 100240477. The next prime is 100240499. The reversal of 100240478 is 874042001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100240471) 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, 3551 + ... + 14597.

It is an arithmetic number, because the mean of its divisors is an integer number (10150350).

Almost surely, 2^100240478 is an apocalyptic number.

100240478 is a deficient number, since it is larger than the sum of its proper divisors (62165122).

100240478 is a wasteful number, since it uses less digits than its factorization.

100240478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 100240478 is about 10012.0166799701. The cubic root of 100240478 is about 464.5306521794.

Adding to 100240478 its reverse (874042001), we get a palindrome (974282479).

The spelling of 100240478 in words is "one hundred million, two hundred forty thousand, four hundred seventy-eight".