40444226564 has 48 divisors (see below), whose sum is σ = 81233376000. Its totient is φ = 17259474816.

The previous prime is 40444226531. The next prime is 40444226597. The reversal of 40444226564 is 46562244404.

It is an interprime number because it is at equal distance from previous prime (40444226531) and next prime (40444226597).

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, 8196242 + ... + 8201174.

It is an arithmetic number, because the mean of its divisors is an integer number (1692362000).

Almost surely, 2^40444226564 is an apocalyptic number.

It is an amenable number.

40444226564 is an abundant number, since it is smaller than the sum of its proper divisors (40789149436).

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

40444226564 is a wasteful number, since it uses less digits than its factorization.

40444226564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132 (or 6130 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 40444226564 in words is "forty billion, four hundred forty-four million, two hundred twenty-six thousand, five hundred sixty-four".