19630677360 has 160 divisors (see below), whose sum is σ = 69590545920. Its totient is φ = 4484312064.

The previous prime is 19630677301. The next prime is 19630677377. The reversal of 19630677360 is 6377603691.

It is a super-2 number, since 2×19630677360² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4522071 + ... + 4526409.

It is an arithmetic number, because the mean of its divisors is an integer number (434940912).

Almost surely, 2^19630677360 is an apocalyptic number.

19630677360 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 19630677360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34795272960).

19630677360 is an abundant number, since it is smaller than the sum of its proper divisors (49959868560).

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

19630677360 is a wasteful number, since it uses less digits than its factorization.

19630677360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 48.

The spelling of 19630677360 in words is "nineteen billion, six hundred thirty million, six hundred seventy-seven thousand, three hundred sixty".