1042807589402 has 8 divisors (see below), whose sum is σ = 1656223818516. Its totient is φ = 490732983232.

The previous prime is 1042807589401. The next prime is 1042807589429. The reversal of 1042807589402 is 2049857082401.

It can be written as a sum of positive squares in 2 ways, for example, as 1019795002801 + 23012586601 = 1009849^2 + 151699^2 .

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 (1042807589401) 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, 15335405693 + ... + 15335405760.

Almost surely, 2^{1042807589402} is an apocalyptic number.

1042807589402 is a deficient number, since it is larger than the sum of its proper divisors (613416229114).

1042807589402 is a wasteful number, since it uses less digits than its factorization.

1042807589402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30670811472.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 1042807589402 in words is "one trillion, forty-two billion, eight hundred seven million, five hundred eighty-nine thousand, four hundred two".