626601042 has 16 divisors (see below), whose sum is σ = 1392446880. Its totient is φ = 208866996.

The previous prime is 626601037. The next prime is 626601077. The reversal of 626601042 is 240106626.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 626600997 and 626601015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5801808 + ... + 5801915.

It is an arithmetic number, because the mean of its divisors is an integer number (87027930).

Almost surely, 2^626601042 is an apocalyptic number.

626601042 is an abundant number, since it is smaller than the sum of its proper divisors (765845838).

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

626601042 is a wasteful number, since it uses less digits than its factorization.

626601042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11603734 (or 11603728 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 626601042 is about 25032.0003595398. Note that the first 3 decimals coincide. The cubic root of 626601042 is about 855.7174157122.

Adding to 626601042 its reverse (240106626), we get a palindrome (866707668).

The spelling of 626601042 in words is "six hundred twenty-six million, six hundred one thousand, forty-two".