51240967352 has 8 divisors (see below), whose sum is σ = 96076813800. Its totient is φ = 25620483672.

The previous prime is 51240967343. The next prime is 51240967409. The reversal of 51240967352 is 25376904215.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202560452 + ... + 3202560467.

It is an arithmetic number, because the mean of its divisors is an integer number (12009601725).

Almost surely, 2^51240967352 is an apocalyptic number.

It is an amenable number.

51240967352 is a deficient number, since it is larger than the sum of its proper divisors (44835846448).

51240967352 is a wasteful number, since it uses less digits than its factorization.

51240967352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405120925 (or 6405120921 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 51240967352 in words is "fifty-one billion, two hundred forty million, nine hundred sixty-seven thousand, three hundred fifty-two".