40012102 has 24 divisors (see below), whose sum is σ = 66525624. Its totient is φ = 18031104.

The previous prime is 40012097. The next prime is 40012109. The reversal of 40012102 is 20121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13158 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (2771901).

Almost surely, 2^40012102 is an apocalyptic number.

40012102 is a deficient number, since it is larger than the sum of its proper divisors (26513522).

40012102 is a wasteful number, since it uses less digits than its factorization.

40012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40012102 is about 6325.5119950878. The cubic root of 40012102 is about 342.0296760724.

Adding to 40012102 its reverse (20121004), we get a palindrome (60133106).

The spelling of 40012102 in words is "forty million, twelve thousand, one hundred two".