30540115402140 has 48 divisors (see below), whose sum is σ = 88461023928480. Its totient is φ = 7863202126080.

The previous prime is 30540115402127. The next prime is 30540115402219. The reversal of 30540115402140 is 4120451104503.

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 = 30540115402098 and 30540115402107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8775893491 + ... + 8775896970.

It is an arithmetic number, because the mean of its divisors is an integer number (1842937998510).

Almost surely, 2^{30540115402140} is an apocalyptic number.

30540115402140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30540115402140 is an abundant number, since it is smaller than the sum of its proper divisors (57920908526340).

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

30540115402140 is a wasteful number, since it uses less digits than its factorization.

30540115402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17551790502 (or 17551790500 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 30540115402140 its reverse (4120451104503), we get a palindrome (34660566506643).

The spelling of 30540115402140 in words is "thirty trillion, five hundred forty billion, one hundred fifteen million, four hundred two thousand, one hundred forty".