3918955554 has 16 divisors (see below), whose sum is σ = 8708790240. Its totient is φ = 1306318500.

The previous prime is 3918955531. The next prime is 3918955567. The reversal of 3918955554 is 4555598193.

3918955554 is a `hidden beast` number, since 3 + 9 + 1 + 89 + 5 + 5 + 554 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 72573251 = 3918955554 / (3 + 9 + 1 + 8 + 9 + 5 + 5 + 5 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 3918955554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36286572 + ... + 36286679.

It is an arithmetic number, because the mean of its divisors is an integer number (544299390).

Almost surely, 2^3918955554 is an apocalyptic number.

3918955554 is an abundant number, since it is smaller than the sum of its proper divisors (4789834686).

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

3918955554 is a wasteful number, since it uses less digits than its factorization.

3918955554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72573262 (or 72573256 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 54.

The square root of 3918955554 is about 62601.5619134219. The cubic root of 3918955554 is about 1576.6069838614.

The spelling of 3918955554 in words is "three billion, nine hundred eighteen million, nine hundred fifty-five thousand, five hundred fifty-four".