1630563427740 has 96 divisors (see below), whose sum is σ = 4919633542656. Its totient is φ = 401136180480.

The previous prime is 1630563427693. The next prime is 1630563427891. The reversal of 1630563427740 is 477243650361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630563427740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737305 + ... + 1950575.

It is an arithmetic number, because the mean of its divisors is an integer number (51246182736).

Almost surely, 2^{1630563427740} is an apocalyptic number.

1630563427740 is a gapful number since it is divisible by the number (10) 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 1630563427740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459816771328).

1630563427740 is an abundant number, since it is smaller than the sum of its proper divisors (3289070114916).

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

1630563427740 is a wasteful number, since it uses less digits than its factorization.

1630563427740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215019 (or 1215017 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 1630563427740 in words is "one trillion, six hundred thirty billion, five hundred sixty-three million, four hundred twenty-seven thousand, seven hundred forty".