2430664782 has 32 divisors (see below), whose sum is σ = 5983176192. Its totient is φ = 641054304.

The previous prime is 2430664781. The next prime is 2430664799. The reversal of 2430664782 is 2874660342.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430664781) 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, 2225338 + ... + 2226429.

It is an arithmetic number, because the mean of its divisors is an integer number (186974256).

Almost surely, 2^2430664782 is an apocalyptic number.

2430664782 is an abundant number, since it is smaller than the sum of its proper divisors (3552511410).

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

2430664782 is a wasteful number, since it uses less digits than its factorization.

2430664782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451792.

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 2430664782 is about 49301.7726050494. The cubic root of 2430664782 is about 1344.5440118511.

The spelling of 2430664782 in words is "two billion, four hundred thirty million, six hundred sixty-four thousand, seven hundred eighty-two".