626242641 has 16 divisors (see below), whose sum is σ = 880185600. Its totient is φ = 394959888.

The previous prime is 626242627. The next prime is 626242657. The reversal of 626242641 is 146242626.

It is not a de Polignac number, because 626242641 - 2⁵ = 626242609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (626242621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34690 + ... + 49556.

It is an arithmetic number, because the mean of its divisors is an integer number (55011600).

Almost surely, 2^626242641 is an apocalyptic number.

It is an amenable number.

626242641 is a deficient number, since it is larger than the sum of its proper divisors (253942959).

626242641 is a wasteful number, since it uses less digits than its factorization.

626242641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15628.

The product of its digits is 27648, while the sum is 33.

The square root of 626242641 is about 25024.8404790120. The cubic root of 626242641 is about 855.5542345444.

The spelling of 626242641 in words is "six hundred twenty-six million, two hundred forty-two thousand, six hundred forty-one".