30401225042540 has 96 divisors (see below), whose sum is σ = 70331282864640. Its totient is φ = 11037791878080.

The previous prime is 30401225042509. The next prime is 30401225042581. The reversal of 30401225042540 is 4524052210403.

It is a super-2 number, since 2×30401225042540² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30401225042497 and 30401225042506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16228601 + ... + 18004719.

It is an arithmetic number, because the mean of its divisors is an integer number (732617529840).

Almost surely, 2^{30401225042540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30401225042540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35165641432320).

30401225042540 is an abundant number, since it is smaller than the sum of its proper divisors (39930057822100).

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

30401225042540 is a wasteful number, since it uses less digits than its factorization.

30401225042540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776804 (or 1776780 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 30401225042540 its reverse (4524052210403), we get a palindrome (34925277252943).

The spelling of 30401225042540 in words is "thirty trillion, four hundred one billion, two hundred twenty-five million, forty-two thousand, five hundred forty".