38687223490 has 16 divisors (see below), whose sum is σ = 69709033152. Its totient is φ = 15458882544.

The previous prime is 38687223473. The next prime is 38687223557. The reversal of 38687223490 is 9432278683.

It is a super-2 number, since 2×38687223490² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990704 + ... + 2010043.

It is an arithmetic number, because the mean of its divisors is an integer number (4356814572).

Almost surely, 2^38687223490 is an apocalyptic number.

38687223490 is a deficient number, since it is larger than the sum of its proper divisors (31021809662).

38687223490 is a wasteful number, since it uses less digits than its factorization.

38687223490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001721.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 38687223490 in words is "thirty-eight billion, six hundred eighty-seven million, two hundred twenty-three thousand, four hundred ninety".