40221012204 has 18 divisors (see below), whose sum is σ = 101669780940. Its totient is φ = 13407004056.

The previous prime is 40221012191. The next prime is 40221012263.

40221012204 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558625134 + ... + 558625205.

Almost surely, 2^40221012204 is an apocalyptic number.

It is an amenable number.

40221012204 is an abundant number, since it is smaller than the sum of its proper divisors (61448768736).

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

40221012204 is a wasteful number, since it uses less digits than its factorization.

40221012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117250349 (or 1117250344 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 402210 and 12204, that added together give a palindrome (414414).

The spelling of 40221012204 in words is "forty billion, two hundred twenty-one million, twelve thousand, two hundred four".