40100012 has 12 divisors (see below), whose sum is σ = 71499456. Its totient is φ = 19671600.

The previous prime is 40100003. The next prime is 40100041. The reversal of 40100012 is 21000104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94364 + ... + 94787.

It is an arithmetic number, because the mean of its divisors is an integer number (5958288).

Almost surely, 2^40100012 is an apocalyptic number.

It is an amenable number.

40100012 is a deficient number, since it is larger than the sum of its proper divisors (31399444).

40100012 is a wasteful number, since it uses less digits than its factorization.

40100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189208 (or 189206 counting only the distinct ones).

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

The square root of 40100012 is about 6332.4570270946. The cubic root of 40100012 is about 342.2799823017.

Adding to 40100012 its reverse (21000104), we get a palindrome (61100116).

The spelling of 40100012 in words is "forty million, one hundred thousand, twelve".