40012321100 has 72 divisors (see below), whose sum is σ = 87411280320. Its totient is φ = 15897530880.

The previous prime is 40012321093. The next prime is 40012321199. The reversal of 40012321100 is 112321004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10786046 + ... + 10789754.

It is an arithmetic number, because the mean of its divisors is an integer number (1214045560).

Almost surely, 2^40012321100 is an apocalyptic number.

It is an amenable number.

40012321100 is an abundant number, since it is smaller than the sum of its proper divisors (47398959220).

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

40012321100 is a wasteful number, since it uses less digits than its factorization.

40012321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419 (or 4412 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 40012321100 its reverse (112321004), we get a palindrome (40124642104).

The spelling of 40012321100 in words is "forty billion, twelve million, three hundred twenty-one thousand, one hundred".