4000054980 has 24 divisors (see below), whose sum is σ = 11200154112. Its totient is φ = 1066681312.

The previous prime is 4000054979. The next prime is 4000054987. The reversal of 4000054980 is 894500004.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4000054987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33333732 + ... + 33333851.

It is an arithmetic number, because the mean of its divisors is an integer number (466673088).

Almost surely, 2^4000054980 is an apocalyptic number.

It is an amenable number.

4000054980 is an abundant number, since it is smaller than the sum of its proper divisors (7200099132).

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

4000054980 is a wasteful number, since it uses less digits than its factorization.

4000054980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66667595 (or 66667593 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4000054980 is about 63245.9878569384. The cubic root of 4000054980 is about 1587.4083248774.

Adding to 4000054980 its reverse (894500004), we get a palindrome (4894554984).

The spelling of 4000054980 in words is "four billion, fifty-four thousand, nine hundred eighty".