2420623455 has 32 divisors (see below), whose sum is σ = 4128408000. Its totient is φ = 1206884352.

The previous prime is 2420623451. The next prime is 2420623459. The reversal of 2420623455 is 5543260242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2420623451) and next prime (2420623459).

It is not a de Polignac number, because 2420623455 - 2² = 2420623451 is a prime.

It is a super-3 number, since 3×2420623455³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420623451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6141 + ... + 69849.

It is an arithmetic number, because the mean of its divisors is an integer number (129012750).

Almost surely, 2^2420623455 is an apocalyptic number.

2420623455 is a deficient number, since it is larger than the sum of its proper divisors (1707784545).

2420623455 is a wasteful number, since it uses less digits than its factorization.

2420623455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63883.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2420623455 is about 49199.8318594688. The cubic root of 2420623455 is about 1342.6899730815.

Adding to 2420623455 its reverse (5543260242), we get a palindrome (7963883697).

The spelling of 2420623455 in words is "two billion, four hundred twenty million, six hundred twenty-three thousand, four hundred fifty-five".