7138400470002 has 24 divisors (see below), whose sum is σ = 15469765483536. Its totient is φ = 2378969726136.

The previous prime is 7138400470001. The next prime is 7138400470087. The reversal of 7138400470002 is 2000740048317.

It is a happy number.

It is a super-2 number, since 2×7138400470002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7138400470001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41336208 + ... + 41508539.

It is an arithmetic number, because the mean of its divisors is an integer number (644573561814).

Almost surely, 2^{7138400470002} is an apocalyptic number.

7138400470002 is an abundant number, since it is smaller than the sum of its proper divisors (8331365013534).

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

7138400470002 is a wasteful number, since it uses less digits than its factorization.

7138400470002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82849542 (or 82849539 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 7138400470002 in words is "seven trillion, one hundred thirty-eight billion, four hundred million, four hundred seventy thousand, two".