2420623556 has 48 divisors (see below), whose sum is σ = 4615188480. Its totient is φ = 1104243840.

The previous prime is 2420623549. The next prime is 2420623573. The reversal of 2420623556 is 6553260242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370326 + ... + 2371346.

It is an arithmetic number, because the mean of its divisors is an integer number (96149760).

Almost surely, 2^2420623556 is an apocalyptic number.

2420623556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2420623556 is a deficient number, since it is larger than the sum of its proper divisors (2194564924).

2420623556 is a wasteful number, since it uses less digits than its factorization.

2420623556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2420623556 is about 49199.8328858950. The cubic root of 2420623556 is about 1342.6899917560.

Adding to 2420623556 its reverse (6553260242), we get a palindrome (8973883798).

The spelling of 2420623556 in words is "two billion, four hundred twenty million, six hundred twenty-three thousand, five hundred fifty-six".