2420444551 has 8 divisors (see below), whose sum is σ = 2771725824. Its totient is φ = 2070539160.

The previous prime is 2420444527. The next prime is 2420444569. The reversal of 2420444551 is 1554440242.

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 2420444551 - 2²⁵ = 2386890119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420444051) 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, 340195 + ... + 347236.

It is an arithmetic number, because the mean of its divisors is an integer number (346465728).

Almost surely, 2^2420444551 is an apocalyptic number.

2420444551 is a deficient number, since it is larger than the sum of its proper divisors (351281273).

2420444551 is an equidigital number, since it uses as much as digits as its factorization.

2420444551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687941.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 2420444551 is about 49198.0136895790. The cubic root of 2420444551 is about 1342.6568936526.

Adding to 2420444551 its reverse (1554440242), we get a palindrome (3974884793).

The spelling of 2420444551 in words is "two billion, four hundred twenty million, four hundred forty-four thousand, five hundred fifty-one".