626270240 has 24 divisors (see below), whose sum is σ = 1479563820. Its totient is φ = 250508032.

The previous prime is 626270231. The next prime is 626270257. The reversal of 626270240 is 42072626.

It can be written as a sum of positive squares in 2 ways, for example, as 542144656 + 84125584 = 23284^2 + 9172^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956935 + ... + 1957254.

Almost surely, 2^626270240 is an apocalyptic number.

It is an amenable number.

626270240 is an abundant number, since it is smaller than the sum of its proper divisors (853293580).

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

626270240 is a wasteful number, since it uses less digits than its factorization.

626270240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914204 (or 3914196 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 626270240 is about 25025.3919050232. The cubic root of 626270240 is about 855.5668026732.

The spelling of 626270240 in words is "six hundred twenty-six million, two hundred seventy thousand, two hundred forty".