1868077076490 has 64 divisors (see below), whose sum is σ = 4992633936000. Its totient is φ = 497044380672.

The previous prime is 1868077076479. The next prime is 1868077076531. The reversal of 1868077076490 is 946707708681.

1868077076490 is a `hidden beast` number, since 1 + 8 + 6 + 8 + 0 + 7 + 70 + 76 + 490 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7583452 + ... + 7825911.

It is an arithmetic number, because the mean of its divisors is an integer number (78009905250).

Almost surely, 2^{1868077076490} is an apocalyptic number.

1868077076490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1868077076490 is an abundant number, since it is smaller than the sum of its proper divisors (3124556859510).

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

1868077076490 is a wasteful number, since it uses less digits than its factorization.

1868077076490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15409828 (or 15409822 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 1868077076490 in words is "one trillion, eight hundred sixty-eight billion, seventy-seven million, seventy-six thousand, four hundred ninety".