2665620024 has 64 divisors (see below), whose sum is σ = 6786996480. Its totient is φ = 872256000.

The previous prime is 2665620017. The next prime is 2665620031. The reversal of 2665620024 is 4200265662.

It is an interprime number because it is at equal distance from previous prime (2665620017) and next prime (2665620031).

It is a super-2 number, since 2×2665620024² = 14211060224699521152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407419 + ... + 413909.

It is an arithmetic number, because the mean of its divisors is an integer number (106046820).

Almost surely, 2^2665620024 is an apocalyptic number.

2665620024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2665620024 is an abundant number, since it is smaller than the sum of its proper divisors (4121376456).

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

2665620024 is a wasteful number, since it uses less digits than its factorization.

2665620024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812 (or 6808 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2665620024 is about 51629.6428808102. The cubic root of 2665620024 is about 1386.5410995869.

Adding to 2665620024 its reverse (4200265662), we get a palindrome (6865885686).

The spelling of 2665620024 in words is "two billion, six hundred sixty-five million, six hundred twenty thousand, twenty-four".