1830440245015 has 8 divisors (see below), whose sum is σ = 2197789951968. Its totient is φ = 1463511090720.

The previous prime is 1830440244977. The next prime is 1830440245021. The reversal of 1830440245015 is 5105420440381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1830440245015 - 2⁷ = 1830440244887 is a prime.

It is a super-2 number, since 2×1830440245015² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105128587 + ... + 105145996.

It is an arithmetic number, because the mean of its divisors is an integer number (274723743996).

Almost surely, 2^{1830440245015} is an apocalyptic number.

1830440245015 is a deficient number, since it is larger than the sum of its proper divisors (367349706953).

1830440245015 is a wasteful number, since it uses less digits than its factorization.

1830440245015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210276329.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 1830440245015 its reverse (5105420440381), we get a palindrome (6935860685396).

The spelling of 1830440245015 in words is "one trillion, eight hundred thirty billion, four hundred forty million, two hundred forty-five thousand, fifteen".