30442213140 has 96 divisors (see below), whose sum is σ = 91955243520. Its totient is φ = 7496226816.

The previous prime is 30442213127. The next prime is 30442213169. The reversal of 30442213140 is 4131224403.

It is a super-2 number, since 2×30442213140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30442213140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227500 + ... + 335619.

It is an arithmetic number, because the mean of its divisors is an integer number (957867120).

Almost surely, 2^30442213140 is an apocalyptic number.

30442213140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30442213140 is an abundant number, since it is smaller than the sum of its proper divisors (61513030380).

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

30442213140 is a wasteful number, since it uses less digits than its factorization.

30442213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563201 (or 563199 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30442213140 its reverse (4131224403), we get a palindrome (34573437543).

The spelling of 30442213140 in words is "thirty billion, four hundred forty-two million, two hundred thirteen thousand, one hundred forty".