30142013240 has 64 divisors (see below), whose sum is σ = 68512586400. Its totient is φ = 11933888512.

The previous prime is 30142013233. The next prime is 30142013261. The reversal of 30142013240 is 4231024103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3652559 + ... + 3660801.

Almost surely, 2^30142013240 is an apocalyptic number.

It is an amenable number.

30142013240 is an abundant number, since it is smaller than the sum of its proper divisors (38370573160).

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

30142013240 is a wasteful number, since it uses less digits than its factorization.

30142013240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176 (or 9172 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30142013240 its reverse (4231024103), we get a palindrome (34373037343).

The spelling of 30142013240 in words is "thirty billion, one hundred forty-two million, thirteen thousand, two hundred forty".