30235840832 has 14 divisors (see below), whose sum is σ = 59999246778. Its totient is φ = 15117920384.

The previous prime is 30235840787. The next prime is 30235840883. The reversal of 30235840832 is 23804853203.

It can be written as a sum of positive squares in only one way, i.e., 25298811136 + 4937029696 = 159056^2 + 70264^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236217443 + ... + 236217570.

Almost surely, 2^30235840832 is an apocalyptic number.

30235840832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30235840832 is a deficient number, since it is larger than the sum of its proper divisors (29763405946).

30235840832 is an equidigital number, since it uses as much as digits as its factorization.

30235840832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472435025 (or 472435015 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 30235840832 in words is "thirty billion, two hundred thirty-five million, eight hundred forty thousand, eight hundred thirty-two".