38975363490 has 192 divisors, whose sum is σ = 111282094080. Its totient is φ = 8557488000.

The previous prime is 38975363467. The next prime is 38975363509. The reversal of 38975363490 is 9436357983.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38975363490.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30472671 + ... + 30473949.

It is an arithmetic number, because the mean of its divisors is an integer number (579594240).

Almost surely, 2^38975363490 is an apocalyptic number.

38975363490 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 38975363490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55641047040).

38975363490 is an abundant number, since it is smaller than the sum of its proper divisors (72306730590).

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

38975363490 is a wasteful number, since it uses less digits than its factorization.

38975363490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 38975363490 in words is "thirty-eight billion, nine hundred seventy-five million, three hundred sixty-three thousand, four hundred ninety".