30523524240 has 160 divisors (see below), whose sum is σ = 103553479296. Its totient is φ = 7376097280.

The previous prime is 30523524233. The next prime is 30523524257. The reversal of 30523524240 is 4242532503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30523524198 and 30523524207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818644 + ... + 855116.

Almost surely, 2^30523524240 is an apocalyptic number.

30523524240 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 30523524240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51776739648).

30523524240 is an abundant number, since it is smaller than the sum of its proper divisors (73029955056).

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

30523524240 is a wasteful number, since it uses less digits than its factorization.

30523524240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36817 (or 36811 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 30523524240 in words is "thirty billion, five hundred twenty-three million, five hundred twenty-four thousand, two hundred forty".