40245112100 has 36 divisors (see below), whose sum is σ = 89461948548. Its totient is φ = 15705408000.

The previous prime is 40245112093. The next prime is 40245112151. The reversal of 40245112100 is 121154204.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5625300004 + 34619812096 = 75002^2 + 186064^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4903841 + ... + 4912040.

Almost surely, 2^40245112100 is an apocalyptic number.

It is an amenable number.

40245112100 is an abundant number, since it is smaller than the sum of its proper divisors (49216836448).

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

40245112100 is a wasteful number, since it uses less digits than its factorization.

40245112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815936 (or 9815929 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 40245112100 its reverse (121154204), we get a palindrome (40366266304).

The spelling of 40245112100 in words is "forty billion, two hundred forty-five million, one hundred twelve thousand, one hundred".