38217963630 has 256 divisors, whose sum is σ = 120633753600. Its totient is φ = 7507261440.

The previous prime is 38217963629. The next prime is 38217963643. The reversal of 38217963630 is 3636971283.

It is a super-2 number, since 2×38217963630² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38217963630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37876566 + ... + 37877574.

It is an arithmetic number, because the mean of its divisors is an integer number (471225600).

Almost surely, 2^38217963630 is an apocalyptic number.

38217963630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38217963630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60316876800).

38217963630 is an abundant number, since it is smaller than the sum of its proper divisors (82415789970).

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

38217963630 is a wasteful number, since it uses less digits than its factorization.

38217963630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 38217963630 in words is "thirty-eight billion, two hundred seventeen million, nine hundred sixty-three thousand, six hundred thirty".