2408868440 has 64 divisors (see below), whose sum is σ = 6038530560. Its totient is φ = 857307520.

The previous prime is 2408868437. The next prime is 2408868443. The reversal of 2408868440 is 448688042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2408868437) and next prime (2408868443).

It is a super-2 number, since 2×2408868440² = 11605294322456067200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 2408868391 and 2408868400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408868443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37562 + ... + 78921.

It is an arithmetic number, because the mean of its divisors is an integer number (94352040).

Almost surely, 2^2408868440 is an apocalyptic number.

2408868440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2408868440 is an abundant number, since it is smaller than the sum of its proper divisors (3629662120).

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

2408868440 is a wasteful number, since it uses less digits than its factorization.

2408868440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116552 (or 116548 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The square root of 2408868440 is about 49080.2245308638. The cubic root of 2408868440 is about 1340.5129913791.

The spelling of 2408868440 in words is "two billion, four hundred eight million, eight hundred sixty-eight thousand, four hundred forty".