40402220244 has 24 divisors (see below), whose sum is σ = 94489577280. Its totient is φ = 13436302464.

The previous prime is 40402220227. The next prime is 40402220273. The reversal of 40402220244 is 44202220404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3882624 + ... + 3893015.

It is an arithmetic number, because the mean of its divisors is an integer number (3937065720).

Almost surely, 2^40402220244 is an apocalyptic number.

It is an amenable number.

40402220244 is an abundant number, since it is smaller than the sum of its proper divisors (54087357036).

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

40402220244 is a wasteful number, since it uses less digits than its factorization.

40402220244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776079 (or 7776077 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40402220244 its reverse (44202220404), we get a palindrome (84604440648).

The spelling of 40402220244 in words is "forty billion, four hundred two million, two hundred twenty thousand, two hundred forty-four".