515042442104 has 32 divisors (see below), whose sum is σ = 986923008000. Its totient is φ = 251870435040.

The previous prime is 515042442091. The next prime is 515042442127. The reversal of 515042442104 is 401244240515.

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, 87497 + ... + 1018695.

It is an arithmetic number, because the mean of its divisors is an integer number (30841344000).

Almost surely, 2^515042442104 is an apocalyptic number.

It is an amenable number.

515042442104 is a deficient number, since it is larger than the sum of its proper divisors (471880565896).

515042442104 is a wasteful number, since it uses less digits than its factorization.

515042442104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932723 (or 932719 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 515042442104 its reverse (401244240515), we get a palindrome (916286682619).

The spelling of 515042442104 in words is "five hundred fifteen billion, forty-two million, four hundred forty-two thousand, one hundred four".