30260839540 has 12 divisors (see below), whose sum is σ = 63547763076. Its totient is φ = 12104335808.

The previous prime is 30260839523. The next prime is 30260839547. The reversal of 30260839540 is 4593806203.

It can be written as a sum of positive squares in 2 ways, for example, as 9976813456 + 20284026084 = 99884^2 + 142422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30260839493 and 30260839502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30260839547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756520969 + ... + 756521008.

It is an arithmetic number, because the mean of its divisors is an integer number (5295646923).

Almost surely, 2^30260839540 is an apocalyptic number.

It is an amenable number.

30260839540 is an abundant number, since it is smaller than the sum of its proper divisors (33286923536).

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

30260839540 is a wasteful number, since it uses less digits than its factorization.

30260839540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513041986 (or 1513041984 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 30260839540 in words is "thirty billion, two hundred sixty million, eight hundred thirty-nine thousand, five hundred forty".