40440088844 has 12 divisors (see below), whose sum is σ = 70778080968. Its totient is φ = 20217780000.

The previous prime is 40440088841. The next prime is 40440088891. The reversal of 40440088844 is 44888004404.

It is a super-2 number, since 2×40440088844² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40440088795 and 40440088804.

It is not an unprimeable number, because it can be changed into a prime (40440088841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525602 + ... + 597609.

It is an arithmetic number, because the mean of its divisors is an integer number (5898173414).

Almost surely, 2^40440088844 is an apocalyptic number.

It is an amenable number.

40440088844 is a deficient number, since it is larger than the sum of its proper divisors (30337992124).

40440088844 is a wasteful number, since it uses less digits than its factorization.

40440088844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132216 (or 1132214 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 40440088844 in words is "forty billion, four hundred forty million, eighty-eight thousand, eight hundred forty-four".