40004044100000 has 72 divisors (see below), whose sum is σ = 98441151886476. Its totient is φ = 16001617600000.

The previous prime is 40004044099969. The next prime is 40004044100029. The reversal of 40004044100000 is 144040004.

It can be written as a sum of positive squares in 6 ways, for example, as 6351468524944 + 33652575575056 = 2520212^2 + 5801084^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199920221 + ... + 200120220.

Almost surely, 2^{40004044100000} is an apocalyptic number.

40004044100000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40004044100000 is an abundant number, since it is smaller than the sum of its proper divisors (58437107786476).

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

40004044100000 is an frugal number, since it uses more digits than its factorization.

40004044100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400040476 (or 400040448 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 40004044100000 its reverse (144040004), we get a palindrome (40004188140004).

The spelling of 40004044100000 in words is "forty trillion, four billion, forty-four million, one hundred thousand".