1478047640658 has 16 divisors (see below), whose sum is σ = 2956942099296. Its totient is φ = 492541410560.

The previous prime is 1478047640639. The next prime is 1478047640659. The reversal of 1478047640658 is 8560467408741.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1478047640659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35261391 + ... + 35303282.

It is an arithmetic number, because the mean of its divisors is an integer number (184808881206).

Almost surely, 2^{1478047640658} is an apocalyptic number.

1478047640658 is an abundant number, since it is smaller than the sum of its proper divisors (1478894458638).

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

1478047640658 is a wasteful number, since it uses less digits than its factorization.

1478047640658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70568169.

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 1478047640658 in words is "one trillion, four hundred seventy-eight billion, forty-seven million, six hundred forty thousand, six hundred fifty-eight".