38957849280 has 1008 divisors, whose sum is σ = 166305731904. Its totient is φ = 8194867200.

The previous prime is 38957849263. The next prime is 38957849303. The reversal of 38957849280 is 8294875983.

38957849280 is a `hidden beast` number, since 38 + 9 + 578 + 4 + 9 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 385721230 + ... + 385721330.

Almost surely, 2^38957849280 is an apocalyptic number.

38957849280 is a gapful number since it is divisible by the number (30) 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 38957849280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83152865952).

38957849280 is an abundant number, since it is smaller than the sum of its proper divisors (127347882624).

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

38957849280 is a wasteful number, since it uses less digits than its factorization.

38957849280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 38957849280 in words is "thirty-eight billion, nine hundred fifty-seven million, eight hundred forty-nine thousand, two hundred eighty".