40412100 has 36 divisors (see below), whose sum is σ = 116926544. Its totient is φ = 10776480.

The previous prime is 40412093. The next prime is 40412137. The reversal of 40412100 is 121404.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67054 + ... + 67653.

Almost surely, 2^40412100 is an apocalyptic number.

It is an amenable number.

40412100 is an abundant number, since it is smaller than the sum of its proper divisors (76514444).

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

40412100 is a wasteful number, since it uses less digits than its factorization.

40412100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134724 (or 134717 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40412100 is about 6357.0512031916. The cubic root of 40412100 is about 343.1656474220.

Adding to 40412100 its reverse (121404), we get a palindrome (40533504).

The spelling of 40412100 in words is "forty million, four hundred twelve thousand, one hundred".