7138400470015 has 8 divisors (see below), whose sum is σ = 8568017303328. Its totient is φ = 5709429216480.

The previous prime is 7138400470001. The next prime is 7138400470087. The reversal of 7138400470015 is 5100740048317.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7138400470015 - 2¹⁵ = 7138400437247 is a prime.

It is a super-2 number, since 2×7138400470015² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7138400470015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161370616 + ... + 161414845.

It is an arithmetic number, because the mean of its divisors is an integer number (1071002162916).

Almost surely, 2^{7138400470015} is an apocalyptic number.

7138400470015 is a deficient number, since it is larger than the sum of its proper divisors (1429616833313).

7138400470015 is a wasteful number, since it uses less digits than its factorization.

7138400470015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322789889.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 7138400470015 in words is "seven trillion, one hundred thirty-eight billion, four hundred million, four hundred seventy thousand, fifteen".