1264358542730 has 32 divisors (see below), whose sum is σ = 2329353939456. Its totient is φ = 493899721344.

The previous prime is 1264358542697. The next prime is 1264358542757. The reversal of 1264358542730 is 372458534621.

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 15 ways as a sum of consecutive naturals, for example, 2728454 + ... + 3158033.

It is an arithmetic number, because the mean of its divisors is an integer number (72792310608).

Almost surely, 2^{1264358542730} is an apocalyptic number.

1264358542730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264358542730 is a deficient number, since it is larger than the sum of its proper divisors (1064995396726).

1264358542730 is a wasteful number, since it uses less digits than its factorization.

1264358542730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886998.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 1264358542730 in words is "one trillion, two hundred sixty-four billion, three hundred fifty-eight million, five hundred forty-two thousand, seven hundred thirty".