626242045 has 64 divisors (see below), whose sum is σ = 932166144. Its totient is φ = 397393920.

The previous prime is 626242027. The next prime is 626242049. The reversal of 626242045 is 540242626.

It is not a de Polignac number, because 626242045 - 2⁵ = 626242013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626241998 and 626242016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626242049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1858117 + ... + 1858453.

It is an arithmetic number, because the mean of its divisors is an integer number (14565096).

Almost surely, 2^626242045 is an apocalyptic number.

626242045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

626242045 is a deficient number, since it is larger than the sum of its proper divisors (305924099).

626242045 is a wasteful number, since it uses less digits than its factorization.

626242045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 626242045 is about 25024.8285708414. The cubic root of 626242045 is about 855.5539631318.

The spelling of 626242045 in words is "six hundred twenty-six million, two hundred forty-two thousand, forty-five".