30303344040 has 32 divisors (see below), whose sum is σ = 90910032480. Its totient is φ = 8080891712.

The previous prime is 30303343963. The next prime is 30303344053. The reversal of 30303344040 is 4044330303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30303344040.

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, 126263814 + ... + 126264053.

It is an arithmetic number, because the mean of its divisors is an integer number (2840938515).

Almost surely, 2^30303344040 is an apocalyptic number.

30303344040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30303344040 is an abundant number, since it is smaller than the sum of its proper divisors (60606688440).

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

30303344040 is a wasteful number, since it uses less digits than its factorization.

30303344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252527881 (or 252527877 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 30303344040 its reverse (4044330303), we get a palindrome (34347674343).

The spelling of 30303344040 in words is "thirty billion, three hundred three million, three hundred forty-four thousand, forty".