626340490 has 8 divisors (see below), whose sum is σ = 1127412900. Its totient is φ = 250536192.

The previous prime is 626340467. The next prime is 626340499. The reversal of 626340490 is 94043626.

It can be written as a sum of positive squares in 2 ways, for example, as 588111001 + 38229489 = 24251^2 + 6183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (626340499) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31317015 + ... + 31317034.

Almost surely, 2^626340490 is an apocalyptic number.

626340490 is a deficient number, since it is larger than the sum of its proper divisors (501072410).

626340490 is a wasteful number, since it uses less digits than its factorization.

626340490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62634056.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 626340490 is about 25026.7954400878. The cubic root of 626340490 is about 855.5987916969.

The spelling of 626340490 in words is "six hundred twenty-six million, three hundred forty thousand, four hundred ninety".