2772160405 has 8 divisors (see below), whose sum is σ = 3801820032. Its totient is φ = 1900909968.

The previous prime is 2772160393. The next prime is 2772160441. The reversal of 2772160405 is 5040612772.

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

It is a cyclic number.

It is not a de Polignac number, because 2772160405 - 2¹³ = 2772152213 is a prime.

It is a super-2 number, since 2×2772160405² = 15369746622099528050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39602257 + ... + 39602326.

It is an arithmetic number, because the mean of its divisors is an integer number (475227504).

Almost surely, 2^2772160405 is an apocalyptic number.

It is an amenable number.

2772160405 is a deficient number, since it is larger than the sum of its proper divisors (1029659627).

2772160405 is an equidigital number, since it uses as much as digits as its factorization.

2772160405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79204595.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2772160405 is about 52651.3096228384. The cubic root of 2772160405 is about 1404.7728942329.

The spelling of 2772160405 in words is "two billion, seven hundred seventy-two million, one hundred sixty thousand, four hundred five".