1802378269494 has 40 divisors (see below), whose sum is σ = 4405813552008. Its totient is φ = 546175232640.

The previous prime is 1802378269463. The next prime is 1802378269507. The reversal of 1802378269494 is 4949628732081.

1802378269494 is a `hidden beast` number, since 1 + 8 + 0 + 2 + 3 + 7 + 82 + 69 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 505716027 + ... + 505719590.

Almost surely, 2^{1802378269494} is an apocalyptic number.

1802378269494 is an abundant number, since it is smaller than the sum of its proper divisors (2603435282514).

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

1802378269494 is a wasteful number, since it uses less digits than its factorization.

1802378269494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011435642 (or 1011435633 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 1802378269494 in words is "one trillion, eight hundred two billion, three hundred seventy-eight million, two hundred sixty-nine thousand, four hundred ninety-four".