100040002 has 16 divisors (see below), whose sum is σ = 159172992. Its totient is φ = 46992960.

The previous prime is 100039981. The next prime is 100040011. The reversal of 100040002 is 200040001.

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, 19123 + ... + 23785.

It is an arithmetic number, because the mean of its divisors is an integer number (9948312).

Almost surely, 2^100040002 is an apocalyptic number.

100040002 is a deficient number, since it is larger than the sum of its proper divisors (59132990).

100040002 is a wasteful number, since it uses less digits than its factorization.

100040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 100040002 is about 10001.9999000200. Note that the first 4 decimals coincide. The cubic root of 100040002 is about 464.2207660561.

Adding to 100040002 its reverse (200040001), we get a palindrome (300080003).

Subtracting 100040002 from its reverse (200040001), we obtain a palindrome (99999999).

The spelling of 100040002 in words is "one hundred million, forty thousand, two".