30342255140 has 48 divisors (see below), whose sum is σ = 67159698480. Its totient is φ = 11497274880.

The previous prime is 30342255107. The next prime is 30342255157. The reversal of 30342255140 is 4155224303.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 224041024 + 30118214116 = 14968^2 + 173546^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462791 + ... + 524270.

It is an arithmetic number, because the mean of its divisors is an integer number (1399160385).

Almost surely, 2^30342255140 is an apocalyptic number.

It is an amenable number.

30342255140 is an abundant number, since it is smaller than the sum of its proper divisors (36817443340).

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

30342255140 is a wasteful number, since it uses less digits than its factorization.

30342255140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987152 (or 987150 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 30342255140 its reverse (4155224303), we get a palindrome (34497479443).

The spelling of 30342255140 in words is "thirty billion, three hundred forty-two million, two hundred fifty-five thousand, one hundred forty".