1002305940 has 24 divisors (see below), whose sum is σ = 2806456800. Its totient is φ = 267281568.

The previous prime is 1002305933. The next prime is 1002305951. The reversal of 1002305940 is 495032001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002305940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8352490 + ... + 8352609.

It is an arithmetic number, because the mean of its divisors is an integer number (116935700).

Almost surely, 2^1002305940 is an apocalyptic number.

1002305940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002305940 is an abundant number, since it is smaller than the sum of its proper divisors (1804150860).

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

1002305940 is a wasteful number, since it uses less digits than its factorization.

1002305940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16705111 (or 16705109 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1002305940 is about 31659.2157199132. The cubic root of 1002305940 is about 1000.7680566047.

Adding to 1002305940 its reverse (495032001), we get a palindrome (1497337941).

The spelling of 1002305940 in words is "one billion, two million, three hundred five thousand, nine hundred forty".