30153240540 has 144 divisors (see below), whose sum is σ = 96360700800. Its totient is φ = 7611179904.

The previous prime is 30153240517. The next prime is 30153240547. The reversal of 30153240540 is 4504235103.

30153240540 is a `hidden beast` number, since 30 + 1 + 53 + 2 + 40 + 540 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30153240547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4986759 + ... + 4992801.

Almost surely, 2^30153240540 is an apocalyptic number.

30153240540 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 30153240540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48180350400).

30153240540 is an abundant number, since it is smaller than the sum of its proper divisors (66207460260).

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

30153240540 is a wasteful number, since it uses less digits than its factorization.

30153240540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 30153240540 its reverse (4504235103), we get a palindrome (34657475643).

The spelling of 30153240540 in words is "thirty billion, one hundred fifty-three million, two hundred forty thousand, five hundred forty".