1194831842490 has 96 divisors (see below), whose sum is σ = 3649668212736. Its totient is φ = 267374954880.

The previous prime is 1194831842473. The next prime is 1194831842521. The reversal of 1194831842490 is 942481384911.

1194831842490 is a `hidden beast` number, since 1 + 1 + 9 + 48 + 31 + 84 + 2 + 490 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46406394 + ... + 46432133.

It is an arithmetic number, because the mean of its divisors is an integer number (38017377216).

Almost surely, 2^{1194831842490} is an apocalyptic number.

1194831842490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1194831842490 is an abundant number, since it is smaller than the sum of its proper divisors (2454836370246).

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

1194831842490 is a wasteful number, since it uses less digits than its factorization.

1194831842490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92838564 (or 92838561 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 1194831842490 in words is "one trillion, one hundred ninety-four billion, eight hundred thirty-one million, eight hundred forty-two thousand, four hundred ninety".