1142627430784 has 128 divisors (see below), whose sum is σ = 2651685595200. Its totient is φ = 480261709824.

The previous prime is 1142627430739. The next prime is 1142627430823. The reversal of 1142627430784 is 4870347262411.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220199262 + ... + 220204450.

Almost surely, 2^{1142627430784} is an apocalyptic number.

1142627430784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142627430784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325842797600).

1142627430784 is an abundant number, since it is smaller than the sum of its proper divisors (1509058164416).

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

1142627430784 is an equidigital number, since it uses as much as digits as its factorization.

1142627430784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900 (or 9888 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 1142627430784 in words is "one trillion, one hundred forty-two billion, six hundred twenty-seven million, four hundred thirty thousand, seven hundred eighty-four".