51024040410 has 64 divisors (see below), whose sum is σ = 140532505344. Its totient is φ = 11614233600.

The previous prime is 51024040381. The next prime is 51024040427. The reversal of 51024040410 is 1404042015.

It is a happy number.

It is a super-2 number, since 2×51024040410² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453481 + ... + 554700.

It is an arithmetic number, because the mean of its divisors is an integer number (2195820396).

Almost surely, 2^51024040410 is an apocalyptic number.

51024040410 is an abundant number, since it is smaller than the sum of its proper divisors (89508464934).

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

51024040410 is a wasteful number, since it uses less digits than its factorization.

51024040410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008439.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 51024040410 its reverse (1404042015), we get a palindrome (52428082425).

The spelling of 51024040410 in words is "fifty-one billion, twenty-four million, forty thousand, four hundred ten".