510120640004 has 6 divisors (see below), whose sum is σ = 892711120014. Its totient is φ = 255060320000.

The previous prime is 510120639991. The next prime is 510120640063. The reversal of 510120640004 is 400046021015.

It can be written as a sum of positive squares in only one way, i.e., 318206553604 + 191914086400 = 564098^2 + 438080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63765079997 + ... + 63765080004.

It is an arithmetic number, because the mean of its divisors is an integer number (148785186669).

Almost surely, 2^510120640004 is an apocalyptic number.

It is an amenable number.

510120640004 is a deficient number, since it is larger than the sum of its proper divisors (382590480010).

510120640004 is a wasteful number, since it uses less digits than its factorization.

510120640004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127530160005 (or 127530160003 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 510120640004 its reverse (400046021015), we get a palindrome (910166661019).

The spelling of 510120640004 in words is "five hundred ten billion, one hundred twenty million, six hundred forty thousand, four".