7138400470000 has 100 divisors (see below), whose sum is σ = 18299416012416. Its totient is φ = 2687397760000.

The previous prime is 7138400469997. The next prime is 7138400470001. The reversal of 7138400470000 is 740048317.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×7138400470000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 20825296 + ... + 21165295.

Almost surely, 2^{7138400470000} is an apocalyptic number.

It is an amenable number.

7138400470000 is an abundant number, since it is smaller than the sum of its proper divisors (11161015542416).

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

7138400470000 is a wasteful number, since it uses less digits than its factorization.

7138400470000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41990636 (or 41990615 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 7138400470000 in words is "seven trillion, one hundred thirty-eight billion, four hundred million, four hundred seventy thousand".