30143139264 has 168 divisors, whose sum is σ = 100362255968. Its totient is φ = 8471070720.

The previous prime is 30143139251. The next prime is 30143139269. The reversal of 30143139264 is 46293134103.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143139269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184674 + ... + 307230.

Almost surely, 2^30143139264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30143139264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50181127984).

30143139264 is an abundant number, since it is smaller than the sum of its proper divisors (70219116704).

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

30143139264 is a wasteful number, since it uses less digits than its factorization.

30143139264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122643 (or 122630 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 30143139264 in words is "thirty billion, one hundred forty-three million, one hundred thirty-nine thousand, two hundred sixty-four".