620850240 has 84 divisors (see below), whose sum is σ = 2135476044. Its totient is φ = 165559296.

The previous prime is 620850239. The next prime is 620850259. The reversal of 620850240 is 42058026.

It can be written as a sum of positive squares in 2 ways, for example, as 398721024 + 222129216 = 19968^2 + 14904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104907 + ... + 110666.

Almost surely, 2^620850240 is an apocalyptic number.

620850240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620850240 is an abundant number, since it is smaller than the sum of its proper divisors (1514625804).

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

620850240 is a wasteful number, since it uses less digits than its factorization.

620850240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215596 (or 215583 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 620850240 is about 24916.8665766785. The cubic root of 620850240 is about 853.0915059104.

It can be divided in two parts, 620 and 850240, that added together give a triangular number (850860 = T₁₃₀₄).

The spelling of 620850240 in words is "six hundred twenty million, eight hundred fifty thousand, two hundred forty".