4027661022 has 32 divisors (see below), whose sum is σ = 10043000064. Its totient is φ = 1046145600.

The previous prime is 4027661009. The next prime is 4027661023. The reversal of 4027661022 is 2201667204.

4027661022 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 not an unprimeable number, because it can be changed into a prime (4027661023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4358479 + ... + 4359402.

It is an arithmetic number, because the mean of its divisors is an integer number (313843752).

Almost surely, 2^4027661022 is an apocalyptic number.

4027661022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4027661022 is an abundant number, since it is smaller than the sum of its proper divisors (6015339042).

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

4027661022 is a wasteful number, since it uses less digits than its factorization.

4027661022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717904.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4027661022 is about 63463.8560284513. The cubic root of 4027661022 is about 1591.0517443171.

The spelling of 4027661022 in words is "four billion, twenty-seven million, six hundred sixty-one thousand, twenty-two".