4000390476 has 12 divisors (see below), whose sum is σ = 9334244472. Its totient is φ = 1333463488.

The previous prime is 4000390469. The next prime is 4000390487. The reversal of 4000390476 is 6740930004.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 166682925 + ... + 166682948.

It is an arithmetic number, because the mean of its divisors is an integer number (777853706).

Almost surely, 2^4000390476 is an apocalyptic number.

It is an amenable number.

4000390476 is an abundant number, since it is smaller than the sum of its proper divisors (5333853996).

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

4000390476 is a wasteful number, since it uses less digits than its factorization.

4000390476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333365880 (or 333365878 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 4000390476 is about 63248.6401118633. The cubic root of 4000390476 is about 1587.4527037886.

The spelling of 4000390476 in words is "four billion, three hundred ninety thousand, four hundred seventy-six".