51325412404 has 36 divisors (see below), whose sum is σ = 104582775780. Its totient is φ = 21975784320.

The previous prime is 51325412309. The next prime is 51325412471. The reversal of 51325412404 is 40421452315.

It can be written as a sum of positive squares in 2 ways, for example, as 33543189904 + 17782222500 = 183148^2 + 133350^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84552 + ... + 331360.

It is an arithmetic number, because the mean of its divisors is an integer number (2905077105).

Almost surely, 2^51325412404 is an apocalyptic number.

It is an amenable number.

51325412404 is an abundant number, since it is smaller than the sum of its proper divisors (53257363376).

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

51325412404 is a wasteful number, since it uses less digits than its factorization.

51325412404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247888 (or 247879 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 51325412404 its reverse (40421452315), we get a palindrome (91746864719).

The spelling of 51325412404 in words is "fifty-one billion, three hundred twenty-five million, four hundred twelve thousand, four hundred four".