1864001878090 has 32 divisors (see below), whose sum is σ = 3681379259136. Its totient is φ = 673900829760.

The previous prime is 1864001878087. The next prime is 1864001878153. The reversal of 1864001878090 is 908781004681.

It is a happy 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, 48956322 + ... + 48994381.

It is an arithmetic number, because the mean of its divisors is an integer number (115043101848).

Almost surely, 2^{1864001878090} is an apocalyptic number.

1864001878090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1864001878090 is a deficient number, since it is larger than the sum of its proper divisors (1817377381046).

1864001878090 is a wasteful number, since it uses less digits than its factorization.

1864001878090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97950894.

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 1864001878090 in words is "one trillion, eight hundred sixty-four billion, one million, eight hundred seventy-eight thousand, ninety".