1478226758842 has 8 divisors (see below), whose sum is σ = 2347771911156. Its totient is φ = 695636121792.

The previous prime is 1478226758809. The next prime is 1478226758843. The reversal of 1478226758842 is 2488576228741.

It can be written as a sum of positive squares in 2 ways, for example, as 1478196387721 + 30371121 = 1215811^2 + 5511^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1478226758843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21738628773 + ... + 21738628840.

Almost surely, 2^{1478226758842} is an apocalyptic number.

1478226758842 is a deficient number, since it is larger than the sum of its proper divisors (869545152314).

1478226758842 is a wasteful number, since it uses less digits than its factorization.

1478226758842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43477257632.

The product of its digits is 96337920, while the sum is 64.

The spelling of 1478226758842 in words is "one trillion, four hundred seventy-eight billion, two hundred twenty-six million, seven hundred fifty-eight thousand, eight hundred forty-two".