7428857972214 has 128 divisors (see below), whose sum is σ = 17333728054272. Its totient is φ = 2078908416000.

The previous prime is 7428857972209. The next prime is 7428857972297. The reversal of 7428857972214 is 4122797588247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160520982 + ... + 160567254.

It is an arithmetic number, because the mean of its divisors is an integer number (135419750424).

Almost surely, 2^{7428857972214} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7428857972214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8666864027136).

7428857972214 is an abundant number, since it is smaller than the sum of its proper divisors (9904870082058).

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

7428857972214 is a wasteful number, since it uses less digits than its factorization.

7428857972214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46790.

The product of its digits is 126443520, while the sum is 66.

The spelling of 7428857972214 in words is "seven trillion, four hundred twenty-eight billion, eight hundred fifty-seven million, nine hundred seventy-two thousand, two hundred fourteen".