51146432004 has 24 divisors (see below), whose sum is σ = 119559864928. Its totient is φ = 17017640640.

The previous prime is 51146431967. The next prime is 51146432021. The reversal of 51146432004 is 40023464115.

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, 3889417 + ... + 3902544.

Almost surely, 2^51146432004 is an apocalyptic number.

It is an amenable number.

51146432004 is an abundant number, since it is smaller than the sum of its proper divisors (68413432924).

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

51146432004 is a wasteful number, since it uses less digits than its factorization.

51146432004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792515 (or 7792513 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 51146432004 its reverse (40023464115), we get a palindrome (91169896119).

The spelling of 51146432004 in words is "fifty-one billion, one hundred forty-six million, four hundred thirty-two thousand, four".