40444004004 has 24 divisors (see below), whose sum is σ = 94760923488. Its totient is φ = 13425394560.

The previous prime is 40444003939. The next prime is 40444004023. The reversal of 40444004004 is 40040044404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6989502 + ... + 6995285.

It is an arithmetic number, because the mean of its divisors is an integer number (3948371812).

Almost surely, 2^40444004004 is an apocalyptic number.

It is an amenable number.

40444004004 is an abundant number, since it is smaller than the sum of its proper divisors (54316919484).

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

40444004004 is a wasteful number, since it uses less digits than its factorization.

40444004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13985035 (or 13985033 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40444004004 its reverse (40040044404), we get a palindrome (80484048408).

It can be divided in two parts, 4044400 and 4004, that added together give a palindrome (4048404).

The spelling of 40444004004 in words is "forty billion, four hundred forty-four million, four thousand, four".