2720418285 has 64 divisors (see below), whose sum is σ = 4995793152. Its totient is φ = 1252233216.

The previous prime is 2720418277. The next prime is 2720418287. The reversal of 2720418285 is 5828140272.

It is not a de Polignac number, because 2720418285 - 2³ = 2720418277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720418287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 517842 + ... + 523068.

It is an arithmetic number, because the mean of its divisors is an integer number (78059268).

Almost surely, 2^2720418285 is an apocalyptic number.

It is an amenable number.

2720418285 is a deficient number, since it is larger than the sum of its proper divisors (2275374867).

2720418285 is a wasteful number, since it uses less digits than its factorization.

2720418285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 2720418285 is about 52157.6292118421. The cubic root of 2720418285 is about 1395.9779604583.

The spelling of 2720418285 in words is "two billion, seven hundred twenty million, four hundred eighteen thousand, two hundred eighty-five".