4000000554 has 48 divisors (see below), whose sum is σ = 9461556000. Its totient is φ = 1211222880.

The previous prime is 4000000553. The next prime is 4000000559. The reversal of 4000000554 is 4550000004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4000000553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290064 + ... + 303540.

It is an arithmetic number, because the mean of its divisors is an integer number (197115750).

Almost surely, 2^4000000554 is an apocalyptic number.

4000000554 is an abundant number, since it is smaller than the sum of its proper divisors (5461555446).

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

4000000554 is a wasteful number, since it uses less digits than its factorization.

4000000554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14995 (or 14992 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4000000554 is about 63245.5575831220. The cubic root of 4000000554 is about 1587.4011252532.

Adding to 4000000554 its reverse (4550000004), we get a palindrome (8550000558).

The spelling of 4000000554 in words is "four billion, five hundred fifty-four", and thus it is an aban number.