1988461305942 has 16 divisors (see below), whose sum is σ = 3977736113520. Its totient is φ = 662684851712.

The previous prime is 1988461305937. The next prime is 1988461305973. The reversal of 1988461305942 is 2495031648891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33864123 + ... + 33922790.

It is an arithmetic number, because the mean of its divisors is an integer number (248608507095).

Almost surely, 2^{1988461305942} is an apocalyptic number.

1988461305942 is an abundant number, since it is smaller than the sum of its proper divisors (1989274807578).

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

1988461305942 is a wasteful number, since it uses less digits than its factorization.

1988461305942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67791807.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 1988461305942 in words is "one trillion, nine hundred eighty-eight billion, four hundred sixty-one million, three hundred five thousand, nine hundred forty-two".