1002334440 has 64 divisors (see below), whose sum is σ = 3088287360. Its totient is φ = 260064000.

The previous prime is 1002334427. The next prime is 1002334441. The reversal of 1002334440 is 444332001.

It is a super-2 number, since 2×1002334440² = 2009348659220227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002334441) 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, 108436 + ... + 117315.

It is an arithmetic number, because the mean of its divisors is an integer number (48254490).

Almost surely, 2^1002334440 is an apocalyptic number.

1002334440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002334440 is an abundant number, since it is smaller than the sum of its proper divisors (2085952920).

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

1002334440 is a wasteful number, since it uses less digits than its factorization.

1002334440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225802 (or 225798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1002334440 is about 31659.6658226204. The cubic root of 1002334440 is about 1000.7775419385. Note that the first 3 decimals are identical.

Adding to 1002334440 its reverse (444332001), we get a palindrome (1446666441).

The spelling of 1002334440 in words is "one billion, two million, three hundred thirty-four thousand, four hundred forty".