30220300042440 has 64 divisors (see below), whose sum is σ = 92872141608960. Its totient is φ = 7862191879680.

The previous prime is 30220300042369. The next prime is 30220300042447. The reversal of 30220300042440 is 4424000302203.

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 30220300042440.

It is not an unprimeable number, because it can be changed into a prime (30220300042447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3071163784 + ... + 3071173623.

It is an arithmetic number, because the mean of its divisors is an integer number (1451127212640).

Almost surely, 2^{30220300042440} is an apocalyptic number.

30220300042440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30220300042440 is an abundant number, since it is smaller than the sum of its proper divisors (62651841566520).

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

30220300042440 is a wasteful number, since it uses less digits than its factorization.

30220300042440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142337462 (or 6142337458 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 30220300042440 its reverse (4424000302203), we get a palindrome (34644300344643).

The spelling of 30220300042440 in words is "thirty trillion, two hundred twenty billion, three hundred million, forty-two thousand, four hundred forty".