1801414002872 has 72 divisors (see below), whose sum is σ = 3800976734520. Its totient is φ = 799781320800.

The previous prime is 1801414002851. The next prime is 1801414002881. The reversal of 1801414002872 is 2782004141081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1286597 + ... + 2293067.

It is an arithmetic number, because the mean of its divisors is an integer number (52791343535).

Almost surely, 2^{1801414002872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1801414002872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900488367260).

1801414002872 is an abundant number, since it is smaller than the sum of its proper divisors (1999562731648).

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

1801414002872 is a wasteful number, since it uses less digits than its factorization.

1801414002872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006585 (or 1006527 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The spelling of 1801414002872 in words is "one trillion, eight hundred one billion, four hundred fourteen million, two thousand, eight hundred seventy-two".