1630909408272 has 320 divisors, whose sum is σ = 4578757607424. Its totient is φ = 499114690560.

The previous prime is 1630909408207. The next prime is 1630909408273. The reversal of 1630909408272 is 2728049090361.

It is not an unprimeable number, because it can be changed into a prime (1630909408273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 794401998 + ... + 794404050.

Almost surely, 2^{1630909408272} is an apocalyptic number.

1630909408272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630909408272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289378803712).

1630909408272 is an abundant number, since it is smaller than the sum of its proper divisors (2947848199152).

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

1630909408272 is a wasteful number, since it uses less digits than its factorization.

1630909408272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 1630909408272 in words is "one trillion, six hundred thirty billion, nine hundred nine million, four hundred eight thousand, two hundred seventy-two".