7000007400040 has 16 divisors (see below), whose sum is σ = 15750016650180. Its totient is φ = 2800002960000.

The previous prime is 7000007400037. The next prime is 7000007400041. The reversal of 7000007400040 is 400047000007.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6970582114596 + 29425285444 = 2640186^2 + 171538^2 .

It is a super-2 number, since 2×7000007400040² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7000007399984 and 7000007400020.

It is not an unprimeable number, because it can be changed into a prime (7000007400041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87500092461 + ... + 87500092540.

Almost surely, 2^{7000007400040} is an apocalyptic number.

It is an amenable number.

7000007400040 is an abundant number, since it is smaller than the sum of its proper divisors (8750009250140).

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

7000007400040 is a wasteful number, since it uses less digits than its factorization.

7000007400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175000185012 (or 175000185008 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

It can be divided in two parts, 7000007 and 400040, that added together give a palindrome (7400047).

The spelling of 7000007400040 in words is "seven trillion, seven million, four hundred thousand, forty".