15554944228 has 12 divisors (see below), whose sum is σ = 27485436160. Its totient is φ = 7701962472.

The previous prime is 15554944201. The next prime is 15554944253. The reversal of 15554944228 is 82244945551.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18876948 + ... + 18877771.

Almost surely, 2^15554944228 is an apocalyptic number.

It is an amenable number.

15554944228 is a deficient number, since it is larger than the sum of its proper divisors (11930491932).

15554944228 is a wasteful number, since it uses less digits than its factorization.

15554944228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37754826 (or 37754824 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 49.

The spelling of 15554944228 in words is "fifteen billion, five hundred fifty-four million, nine hundred forty-four thousand, two hundred twenty-eight".