10000040000000 has 480 divisors, whose sum is σ = 25741771014960. Its totient is φ = 3880448000000.

The previous prime is 10000039999997. The next prime is 10000040000023. The reversal of 10000040000000 is 4000001.

It can be written as a sum of positive squares in 24 ways, for example, as 8233777735936 + 1766262264064 = 2869456^2 + 1329008^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

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 47 ways as a sum of consecutive naturals, for example, 112359999956 + ... + 112360000044.

Almost surely, 2^{10000040000000} is an apocalyptic number.

10000040000000 is a gapful number since it is divisible by the number (10) 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 10000040000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12870885507480).

10000040000000 is an abundant number, since it is smaller than the sum of its proper divisors (15741731014960).

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

10000040000000 is an frugal number, since it uses more digits than its factorization.

10000040000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 10000040000000 its reverse (4000001), we get a palindrome (10000044000001).

It can be divided in two parts, 100000 and 40000000, that multiplied together give a square (4000000000000 = 2000000²).

The spelling of 10000040000000 in words is "ten trillion, forty million", and thus it is an aban number and an uban number.