2440669720 has 16 divisors (see below), whose sum is σ = 5491506960. Its totient is φ = 976267872.

The previous prime is 2440669669. The next prime is 2440669741. The reversal of 2440669720 is 279660442.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 61016743 = 2440669720 / (2 + 4 + 4 + 0 + 6 + 6 + 9 + 7 + 2 + 0).

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, 30508332 + ... + 30508411.

It is an arithmetic number, because the mean of its divisors is an integer number (343219185).

Almost surely, 2^2440669720 is an apocalyptic number.

2440669720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440669720 is an abundant number, since it is smaller than the sum of its proper divisors (3050837240).

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

2440669720 is a wasteful number, since it uses less digits than its factorization.

2440669720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61016754 (or 61016750 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 2440669720 is about 49403.1347183557. The cubic root of 2440669720 is about 1346.3862602242.

The spelling of 2440669720 in words is "two billion, four hundred forty million, six hundred sixty-nine thousand, seven hundred twenty".