626550045 has 64 divisors (see below), whose sum is σ = 1189437696. Its totient is φ = 278138880.

The previous prime is 626550013. The next prime is 626550049. The reversal of 626550045 is 540055626.

It is a happy number.

It is not a de Polignac number, because 626550045 - 2⁵ = 626550013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 626549988 and 626550015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626550049) 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, 100767 + ... + 106803.

It is an arithmetic number, because the mean of its divisors is an integer number (18584964).

Almost surely, 2^626550045 is an apocalyptic number.

It is an amenable number.

626550045 is a deficient number, since it is larger than the sum of its proper divisors (562887651).

626550045 is a wasteful number, since it uses less digits than its factorization.

626550045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 626550045 is about 25030.9817026820. The cubic root of 626550045 is about 855.6942004061.

The spelling of 626550045 in words is "six hundred twenty-six million, five hundred fifty thousand, forty-five".