2440665620 has 12 divisors (see below), whose sum is σ = 5125397844. Its totient is φ = 976266240.

The previous prime is 2440665611. The next prime is 2440665641. The reversal of 2440665620 is 265660442.

It can be written as a sum of positive squares in 2 ways, for example, as 1887381136 + 553284484 = 43444^2 + 23522^2 .

It is a congruent number.

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, 61016621 + ... + 61016660.

It is an arithmetic number, because the mean of its divisors is an integer number (427116487).

Almost surely, 2^2440665620 is an apocalyptic number.

2440665620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440665620 is an abundant number, since it is smaller than the sum of its proper divisors (2684732224).

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

2440665620 is a wasteful number, since it uses less digits than its factorization.

2440665620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122033290 (or 122033288 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2440665620 is about 49403.0932229957. The cubic root of 2440665620 is about 1346.3855063073.

The spelling of 2440665620 in words is "two billion, four hundred forty million, six hundred sixty-five thousand, six hundred twenty".