40044404040000 has 1120 divisors, whose sum is σ = 137656841410176. Its totient is φ = 10265149440000.

The previous prime is 40044404039999. The next prime is 40044404040049. The reversal of 40044404040000 is 4040444004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 73207319727 + ... + 73207320273.

Almost surely, 2^{40044404040000} is an apocalyptic number.

40044404040000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40044404040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68828420705088).

40044404040000 is an abundant number, since it is smaller than the sum of its proper divisors (97612437370176).

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

40044404040000 is a wasteful number, since it uses less digits than its factorization.

40044404040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 828 counting only the distinct ones).

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

Adding to 40044404040000 its reverse (4040444004), we get a palindrome (40048444484004).

The spelling of 40044404040000 in words is "forty trillion, forty-four billion, four hundred four million, forty thousand".