4427401655 has 8 divisors (see below), whose sum is σ = 5399978784. Its totient is φ = 3483856800.

The previous prime is 4427401639. The next prime is 4427401669. The reversal of 4427401655 is 5561047244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4427401655 - 2⁴ = 4427401639 is a prime.

It is a Duffinian number.

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, 7257731 + ... + 7258340.

It is an arithmetic number, because the mean of its divisors is an integer number (674997348).

Almost surely, 2^4427401655 is an apocalyptic number.

4427401655 is a deficient number, since it is larger than the sum of its proper divisors (972577129).

4427401655 is a wasteful number, since it uses less digits than its factorization.

4427401655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14516137.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 4427401655 is about 66538.7229739195. The cubic root of 4427401655 is about 1642.0371342652.

Adding to 4427401655 its reverse (5561047244), we get a palindrome (9988448899).

The spelling of 4427401655 in words is "four billion, four hundred twenty-seven million, four hundred one thousand, six hundred fifty-five".