30143203040 has 96 divisors (see below), whose sum is σ = 72754246656. Its totient is φ = 11797626880.

The previous prime is 30143203033. The next prime is 30143203061. The reversal of 30143203040 is 4030234103.

It is a super-2 number, since 2×30143203040² (a number of 22 digits) contains 22 as substring.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3243200 + ... + 3252480.

It is an arithmetic number, because the mean of its divisors is an integer number (757856736).

Almost surely, 2^30143203040 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 30143203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36377123328).

30143203040 is an abundant number, since it is smaller than the sum of its proper divisors (42611043616).

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

30143203040 is a wasteful number, since it uses less digits than its factorization.

30143203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9732 (or 9724 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30143203040 its reverse (4030234103), we get a palindrome (34173437143).

The spelling of 30143203040 in words is "thirty billion, one hundred forty-three million, two hundred three thousand, forty".