2420639712 has 72 divisors (see below), whose sum is σ = 7105775040. Its totient is φ = 780848640.

The previous prime is 2420639699. The next prime is 2420639723. The reversal of 2420639712 is 2179360242.

2420639712 is a `hidden beast` number, since 2 + 4 + 2 + 0 + 639 + 7 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2420639712² = 11718993230622885888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126637 + ... + 144492.

It is an arithmetic number, because the mean of its divisors is an integer number (98691320).

Almost surely, 2^2420639712 is an apocalyptic number.

It is an amenable number.

2420639712 is an abundant number, since it is smaller than the sum of its proper divisors (4685135328).

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

2420639712 is a wasteful number, since it uses less digits than its factorization.

2420639712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271176 (or 271165 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2420639712 is about 49199.9970731706. The cubic root of 2420639712 is about 1342.6929789273.

Adding to 2420639712 its reverse (2179360242), we get a palindrome (4599999954).

The spelling of 2420639712 in words is "two billion, four hundred twenty million, six hundred thirty-nine thousand, seven hundred twelve".