2720456430 has 16 divisors (see below), whose sum is σ = 6529095504. Its totient is φ = 725455040.

The previous prime is 2720456411. The next prime is 2720456437. The reversal of 2720456430 is 346540272.

It is a junction number, because it is equal to n+sod(n) for n = 2720456391 and 2720456400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720456437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45340911 + ... + 45340970.

It is an arithmetic number, because the mean of its divisors is an integer number (408068469).

Almost surely, 2^2720456430 is an apocalyptic number.

2720456430 is an abundant number, since it is smaller than the sum of its proper divisors (3808639074).

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

2720456430 is a wasteful number, since it uses less digits than its factorization.

2720456430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90681891.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 2720456430 is about 52157.9948809384. The cubic root of 2720456430 is about 1395.9844851082.

The spelling of 2720456430 in words is "two billion, seven hundred twenty million, four hundred fifty-six thousand, four hundred thirty".