30655567142070 has 128 divisors (see below), whose sum is σ = 80290422374400. Its totient is φ = 7445618746368.

The previous prime is 30655567142059. The next prime is 30655567142131. The reversal of 30655567142070 is 7024176555603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15704179 + ... + 17548001.

It is an arithmetic number, because the mean of its divisors is an integer number (627268924800).

Almost surely, 2^{30655567142070} is an apocalyptic number.

30655567142070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30655567142070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40145211187200).

30655567142070 is an abundant number, since it is smaller than the sum of its proper divisors (49634855232330).

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

30655567142070 is a wasteful number, since it uses less digits than its factorization.

30655567142070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844414.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 30655567142070 in words is "thirty trillion, six hundred fifty-five billion, five hundred sixty-seven million, one hundred forty-two thousand, seventy".