30405035040 has 48 divisors (see below), whose sum is σ = 95775861888. Its totient is φ = 8108009216.

The previous prime is 30405035021. The next prime is 30405035053. The reversal of 30405035040 is 4053050403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 30405035040.

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, 31671432 + ... + 31672391.

It is an arithmetic number, because the mean of its divisors is an integer number (1995330456).

Almost surely, 2^30405035040 is an apocalyptic number.

30405035040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30405035040 is an abundant number, since it is smaller than the sum of its proper divisors (65370826848).

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

30405035040 is a wasteful number, since it uses less digits than its factorization.

30405035040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63343841 (or 63343833 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 30405035040 its reverse (4053050403), we get a palindrome (34458085443).

The spelling of 30405035040 in words is "thirty billion, four hundred five million, thirty-five thousand, forty".