30679113240 has 96 divisors (see below), whose sum is σ = 105572263680. Its totient is φ = 7699854336.

The previous prime is 30679113197. The next prime is 30679113281. The reversal of 30679113240 is 4231197603.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30679113195 and 30679113204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2500344 + ... + 2512583.

It is an arithmetic number, because the mean of its divisors is an integer number (1099711080).

Almost surely, 2^30679113240 is an apocalyptic number.

30679113240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30679113240 is an abundant number, since it is smaller than the sum of its proper divisors (74893150440).

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

30679113240 is a wasteful number, since it uses less digits than its factorization.

30679113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012961 (or 5012954 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 30679113240 in words is "thirty billion, six hundred seventy-nine million, one hundred thirteen thousand, two hundred forty".