4055801990 has 16 divisors (see below), whose sum is σ = 7497753552. Its totient is φ = 1578474144.

The previous prime is 4055801947. The next prime is 4055802017. The reversal of 4055801990 is 991085504.

It is a happy number.

4055801990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480444 + ... + 5481183.

It is an arithmetic number, because the mean of its divisors is an integer number (468609597).

Almost surely, 2^4055801990 is an apocalyptic number.

4055801990 is a deficient number, since it is larger than the sum of its proper divisors (3441951562).

4055801990 is a wasteful number, since it uses less digits than its factorization.

4055801990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961671.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 4055801990 is about 63685.1787310046. The cubic root of 4055801990 is about 1594.7486676634.

The spelling of 4055801990 in words is "four billion, fifty-five million, eight hundred one thousand, nine hundred ninety".