4122626520 has 64 divisors (see below), whose sum is σ = 12372192000. Its totient is φ = 1098983808.

The previous prime is 4122626509. The next prime is 4122626537. The reversal of 4122626520 is 256262214.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 567471 + ... + 574689.

It is an arithmetic number, because the mean of its divisors is an integer number (193315500).

Almost surely, 2^4122626520 is an apocalyptic number.

4122626520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4122626520 is an abundant number, since it is smaller than the sum of its proper divisors (8249565480).

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

4122626520 is a wasteful number, since it uses less digits than its factorization.

4122626520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992 (or 11988 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4122626520 is about 64207.6827178804. The cubic root of 4122626520 is about 1603.4595092728.

Adding to 4122626520 its reverse (256262214), we get a palindrome (4378888734).

The spelling of 4122626520 in words is "four billion, one hundred twenty-two million, six hundred twenty-six thousand, five hundred twenty".