40123023244 has 6 divisors (see below), whose sum is σ = 70215290684. Its totient is φ = 20061511620.

The previous prime is 40123023203. The next prime is 40123023251. The reversal of 40123023244 is 44232032104.

It is a happy number.

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 as a sum of consecutive naturals, namely, 5015377902 + ... + 5015377909.

Almost surely, 2^40123023244 is an apocalyptic number.

It is an amenable number.

40123023244 is a deficient number, since it is larger than the sum of its proper divisors (30092267440).

40123023244 is a wasteful number, since it uses less digits than its factorization.

40123023244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030755815 (or 10030755813 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40123023244 its reverse (44232032104), we get a palindrome (84355055348).

The spelling of 40123023244 in words is "forty billion, one hundred twenty-three million, twenty-three thousand, two hundred forty-four".