2002187446632 has 128 divisors (see below), whose sum is σ = 5664820147200. Its totient is φ = 655096075200.

The previous prime is 2002187446631. The next prime is 2002187446657. The reversal of 2002187446632 is 2366447812002.

It is a happy number.

2002187446632 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 1 + 8 + 7 + 4 + 4 + 6 + 632 = 666.

It is not an unprimeable number, because it can be changed into a prime (2002187446631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3193707 + ... + 3768837.

It is an arithmetic number, because the mean of its divisors is an integer number (44256407400).

Almost surely, 2^{2002187446632} 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 2002187446632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2832410073600).

2002187446632 is an abundant number, since it is smaller than the sum of its proper divisors (3662632700568).

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

2002187446632 is a wasteful number, since it uses less digits than its factorization.

2002187446632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575444 (or 575434 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 2002187446632 in words is "two trillion, two billion, one hundred eighty-seven million, four hundred forty-six thousand, six hundred thirty-two".