30801541540 has 48 divisors (see below), whose sum is σ = 80644040064. Its totient is φ = 9600480000.

The previous prime is 30801541531. The next prime is 30801541541. The reversal of 30801541540 is 4514510803.

It is a super-2 number, since 2×30801541540² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30801541541) 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 15 ways as a sum of consecutive naturals, for example, 9998961 + ... + 10002040.

It is an arithmetic number, because the mean of its divisors is an integer number (1680084168).

Almost surely, 2^30801541540 is an apocalyptic number.

It is an amenable number.

30801541540 is an abundant number, since it is smaller than the sum of its proper divisors (49842498524).

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

30801541540 is a wasteful number, since it uses less digits than its factorization.

30801541540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001028 (or 20001026 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 30801541540 in words is "thirty billion, eight hundred one million, five hundred forty-one thousand, five hundred forty".