8134426516440 has 64 divisors (see below), whose sum is σ = 27889462344960. Its totient is φ = 1859297489280.

The previous prime is 8134426516367. The next prime is 8134426516451. The reversal of 8134426516440 is 446156244318.

It is a self number, because there is not a number n which added to its sum of digits gives 8134426516440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4841919706 + ... + 4841921385.

It is an arithmetic number, because the mean of its divisors is an integer number (435772849140).

Almost surely, 2^{8134426516440} is an apocalyptic number.

It is an amenable number.

8134426516440 is an abundant number, since it is smaller than the sum of its proper divisors (19755035828520).

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

8134426516440 is a wasteful number, since it uses less digits than its factorization.

8134426516440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9683841112 (or 9683841108 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 8134426516440 in words is "eight trillion, one hundred thirty-four billion, four hundred twenty-six million, five hundred sixteen thousand, four hundred forty".