40123220244 has 48 divisors (see below), whose sum is σ = 94374772800. Its totient is φ = 13266789120.

The previous prime is 40123220233. The next prime is 40123220287. The reversal of 40123220244 is 44202232104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5770482 + ... + 5777430.

It is an arithmetic number, because the mean of its divisors is an integer number (1966141100).

Almost surely, 2^40123220244 is an apocalyptic number.

It is an amenable number.

40123220244 is an abundant number, since it is smaller than the sum of its proper divisors (54251552556).

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

40123220244 is a wasteful number, since it uses less digits than its factorization.

40123220244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760 (or 10758 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40123220244 its reverse (44202232104), we get a palindrome (84325452348).

The spelling of 40123220244 in words is "forty billion, one hundred twenty-three million, two hundred twenty thousand, two hundred forty-four".