44020404040 has 32 divisors (see below), whose sum is σ = 99069075000. Its totient is φ = 17604043264.

The previous prime is 44020404019. The next prime is 44020404047. The reversal of 44020404040 is 4040402044.

44020404040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30449552004 + 13570852036 = 174498^2 + 116494^2 .

It is not an unprimeable number, because it can be changed into a prime (44020404047) 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, 47436 + ... + 300484.

Almost surely, 2^44020404040 is an apocalyptic number.

44020404040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44020404040 is an abundant number, since it is smaller than the sum of its proper divisors (55048670960).

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

44020404040 is a wasteful number, since it uses less digits than its factorization.

44020404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257409 (or 257405 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 44020404040 its reverse (4040402044), we get a palindrome (48060806084).

The spelling of 44020404040 in words is "forty-four billion, twenty million, four hundred four thousand, forty".