1890240839150 has 12 divisors (see below), whose sum is σ = 3515847960912. Its totient is φ = 756096335640.

The previous prime is 1890240839147. The next prime is 1890240839167. The reversal of 1890240839150 is 519380420981.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 37804816783 = 1890240839150 / (1 + 8 + 9 + 0 + 2 + 4 + 0 + 8 + 3 + 9 + 1 + 5 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18902408342 + ... + 18902408441.

It is an arithmetic number, because the mean of its divisors is an integer number (292987330076).

Almost surely, 2^{1890240839150} is an apocalyptic number.

1890240839150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1890240839150 is a deficient number, since it is larger than the sum of its proper divisors (1625607121762).

1890240839150 is a wasteful number, since it uses less digits than its factorization.

1890240839150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37804816795 (or 37804816790 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 1890240839150 in words is "one trillion, eight hundred ninety billion, two hundred forty million, eight hundred thirty-nine thousand, one hundred fifty".