30050437840 has 40 divisors (see below), whose sum is σ = 69914719368. Its totient is φ = 12012011520.

The previous prime is 30050437819. The next prime is 30050437849. The reversal of 30050437840 is 4873405003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1181709376 + 28868728464 = 34376^2 + 169908^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 30050437796 and 30050437805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30050437849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8337 + ... + 245296.

Almost surely, 2^30050437840 is an apocalyptic number.

It is an amenable number.

30050437840 is an abundant number, since it is smaller than the sum of its proper divisors (39864281528).

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

30050437840 is a wasteful number, since it uses less digits than its factorization.

30050437840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255127 (or 255121 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 30050437840 in words is "thirty billion, fifty million, four hundred thirty-seven thousand, eight hundred forty".