51047332451040 has 96 divisors (see below), whose sum is σ = 161316136590336. Its totient is φ = 13568851458560.

The previous prime is 51047332450951. The next prime is 51047332451041. The reversal of 51047332451040 is 4015423374015.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 51047332451040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51047332451041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170829192 + ... + 171127751.

It is an arithmetic number, because the mean of its divisors is an integer number (1680376422816).

Almost surely, 2^{51047332451040} is an apocalyptic number.

It is an amenable number.

51047332451040 is an abundant number, since it is smaller than the sum of its proper divisors (110268804139296).

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

51047332451040 is a wasteful number, since it uses less digits than its factorization.

51047332451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341957272 (or 341957264 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 51047332451040 in words is "fifty-one trillion, forty-seven billion, three hundred thirty-two million, four hundred fifty-one thousand, forty".