1264013423442 has 48 divisors (see below), whose sum is σ = 3414477822912. Its totient is φ = 328315174560.

The previous prime is 1264013423419. The next prime is 1264013423471. The reversal of 1264013423442 is 2443243104621.

1264013423442 is a `hidden beast` number, since 1 + 2 + 64 + 0 + 134 + 23 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1264013423397 and 1264013423406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455991913 + ... + 455994684.

It is an arithmetic number, because the mean of its divisors is an integer number (71134954644).

Almost surely, 2^{1264013423442} is an apocalyptic number.

1264013423442 is an abundant number, since it is smaller than the sum of its proper divisors (2150464399470).

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

1264013423442 is a wasteful number, since it uses less digits than its factorization.

1264013423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911986623 (or 911986620 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 1264013423442 in words is "one trillion, two hundred sixty-four billion, thirteen million, four hundred twenty-three thousand, four hundred forty-two".