38404690154 has 4 divisors (see below), whose sum is σ = 57607035234. Its totient is φ = 19202345076.

The previous prime is 38404690133. The next prime is 38404690171. The reversal of 38404690154 is 45109640483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35996334529 + 2408355625 = 189727^2 + 49075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9601172537 + ... + 9601172540.

Almost surely, 2^38404690154 is an apocalyptic number.

38404690154 is a deficient number, since it is larger than the sum of its proper divisors (19202345080).

38404690154 is a wasteful number, since it uses less digits than its factorization.

38404690154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19202345079.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 38404690154 in words is "thirty-eight billion, four hundred four million, six hundred ninety thousand, one hundred fifty-four".