1542357668944 has 10 divisors (see below), whose sum is σ = 2988317983610. Its totient is φ = 771178834464.

The previous prime is 1542357668903. The next prime is 1542357668989. The reversal of 1542357668944 is 4498667532451.

It can be written as a sum of positive squares in only one way, i.e., 866969556544 + 675388112400 = 931112^2 + 821820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48198677139 + ... + 48198677170.

It is an arithmetic number, because the mean of its divisors is an integer number (298831798361).

Almost surely, 2^{1542357668944} is an apocalyptic number.

It is an amenable number.

1542357668944 is a deficient number, since it is larger than the sum of its proper divisors (1445960314666).

1542357668944 is an equidigital number, since it uses as much as digits as its factorization.

1542357668944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96397354317 (or 96397354311 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 64.

The spelling of 1542357668944 in words is "one trillion, five hundred forty-two billion, three hundred fifty-seven million, six hundred sixty-eight thousand, nine hundred forty-four".