38265988890 has 32 divisors (see below), whose sum is σ = 93131876736. Its totient is φ = 10060541120.

The previous prime is 38265988879. The next prime is 38265988903. The reversal of 38265988890 is 9888956283.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8980497 + ... + 8984756.

It is an arithmetic number, because the mean of its divisors is an integer number (2910371148).

Almost surely, 2^38265988890 is an apocalyptic number.

38265988890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38265988890 is an abundant number, since it is smaller than the sum of its proper divisors (54865887846).

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

38265988890 is a wasteful number, since it uses less digits than its factorization.

38265988890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17965334.

The product of its (nonzero) digits is 59719680, while the sum is 66.

The spelling of 38265988890 in words is "thirty-eight billion, two hundred sixty-five million, nine hundred eighty-eight thousand, eight hundred ninety".