4020877455 has 16 divisors (see below), whose sum is σ = 7352461824. Its totient is φ = 1838115360.

The previous prime is 4020877439. The next prime is 4020877459. The reversal of 4020877455 is 5547780204.

It is not a de Polignac number, because 4020877455 - 2⁴ = 4020877439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020877459) 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, 19146931 + ... + 19147140.

It is an arithmetic number, because the mean of its divisors is an integer number (459528864).

Almost surely, 2^4020877455 is an apocalyptic number.

4020877455 is a deficient number, since it is larger than the sum of its proper divisors (3331584369).

4020877455 is a wasteful number, since it uses less digits than its factorization.

4020877455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38294086.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 4020877455 is about 63410.3891724377. The cubic root of 4020877455 is about 1590.1580021775.

The spelling of 4020877455 in words is "four billion, twenty million, eight hundred seventy-seven thousand, four hundred fifty-five".