30451015260340 has 24 divisors (see below), whose sum is σ = 64108207962792. Its totient is φ = 12149724977280.

The previous prime is 30451015260307. The next prime is 30451015260343. The reversal of 30451015260340 is 4306251015403.

It can be written as a sum of positive squares in 4 ways, for example, as 13133332512036 + 17317682748304 = 3623994^2 + 4161452^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30451015260296 and 30451015260305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30451015260343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917562291 + ... + 1917578170.

It is an arithmetic number, because the mean of its divisors is an integer number (2671175331783).

Almost surely, 2^{30451015260340} is an apocalyptic number.

It is an amenable number.

30451015260340 is an abundant number, since it is smaller than the sum of its proper divisors (33657192702452).

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

30451015260340 is a wasteful number, since it uses less digits than its factorization.

30451015260340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835140867 (or 3835140865 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 30451015260340 its reverse (4306251015403), we get a palindrome (34757266275743).

The spelling of 30451015260340 in words is "thirty trillion, four hundred fifty-one billion, fifteen million, two hundred sixty thousand, three hundred forty".