7142886456 has 32 divisors (see below), whose sum is σ = 17860901760. Its totient is φ = 2380470752.

The previous prime is 7142886449. The next prime is 7142886469. The reversal of 7142886456 is 6546882417.

It is a junction number, because it is equal to n+sod(n) for n = 7142886399 and 7142886408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99211 + ... + 155333.

It is an arithmetic number, because the mean of its divisors is an integer number (558153180).

Almost surely, 2^7142886456 is an apocalyptic number.

It is an amenable number.

7142886456 is an abundant number, since it is smaller than the sum of its proper divisors (10718015304).

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

7142886456 is a wasteful number, since it uses less digits than its factorization.

7142886456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61435 (or 61431 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 7142886456 is about 84515.5988915656. The cubic root of 7142886456 is about 1925.8594200199.

The spelling of 7142886456 in words is "seven billion, one hundred forty-two million, eight hundred eighty-six thousand, four hundred fifty-six".