38490603154 has 8 divisors (see below), whose sum is σ = 57779614908. Its totient is φ = 19230731520.

The previous prime is 38490603139. The next prime is 38490603163. The reversal of 38490603154 is 45130609483.

It can be written as a sum of positive squares in 2 ways, for example, as 36547115929 + 1943487225 = 191173^2 + 44085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38490603154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7281727 + ... + 7287010.

Almost surely, 2^38490603154 is an apocalyptic number.

38490603154 is a deficient number, since it is larger than the sum of its proper divisors (19289011754).

38490603154 is a wasteful number, since it uses less digits than its factorization.

38490603154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14570060.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 38490603154 in words is "thirty-eight billion, four hundred ninety million, six hundred three thousand, one hundred fifty-four".