30152451840 has 432 divisors, whose sum is σ = 112742461440. Its totient is φ = 6847733760.

The previous prime is 30152451811. The next prime is 30152451871. The reversal of 30152451840 is 4815425103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35938141 + ... + 35938979.

It is an arithmetic number, because the mean of its divisors is an integer number (260977920).

Almost surely, 2^30152451840 is an apocalyptic number.

30152451840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30152451840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56371230720).

30152451840 is an abundant number, since it is smaller than the sum of its proper divisors (82590009600).

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

30152451840 is a wasteful number, since it uses less digits than its factorization.

30152451840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 30152451840 its reverse (4815425103), we get a palindrome (34967876943).

The spelling of 30152451840 in words is "thirty billion, one hundred fifty-two million, four hundred fifty-one thousand, eight hundred forty".