40040088044 has 24 divisors (see below), whose sum is σ = 76445283600. Its totient is φ = 18198822080.

The previous prime is 40040088043. The next prime is 40040088071. The reversal of 40040088044 is 44088004004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40040088044.

It is not an unprimeable number, because it can be changed into a prime (40040088041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140302 + ... + 1174890.

It is an arithmetic number, because the mean of its divisors is an integer number (3185220150).

Almost surely, 2^40040088044 is an apocalyptic number.

40040088044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40040088044 is a deficient number, since it is larger than the sum of its proper divisors (36405195556).

40040088044 is a wasteful number, since it uses less digits than its factorization.

40040088044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60913 (or 60911 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 40040088044 in words is "forty billion, forty million, eighty-eight thousand, forty-four".