1800631820252 has 12 divisors (see below), whose sum is σ = 3152341915800. Its totient is φ = 899962701456.

The previous prime is 1800631820213. The next prime is 1800631820279. The reversal of 1800631820252 is 2520281360081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88290698 + ... + 88311089.

It is an arithmetic number, because the mean of its divisors is an integer number (262695159650).

Almost surely, 2^{1800631820252} is an apocalyptic number.

It is an amenable number.

1800631820252 is a deficient number, since it is larger than the sum of its proper divisors (1351710095548).

1800631820252 is a wasteful number, since it uses less digits than its factorization.

1800631820252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176604340 (or 176604338 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 1800631820252 in words is "one trillion, eight hundred billion, six hundred thirty-one million, eight hundred twenty thousand, two hundred fifty-two".