51614446616440 has 64 divisors (see below), whose sum is σ = 116354164412160. Its totient is φ = 20606385070080.

The previous prime is 51614446616429. The next prime is 51614446616443. The reversal of 51614446616440 is 4461664441615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51614446616443) 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, 133463194 + ... + 133849366.

It is an arithmetic number, because the mean of its divisors is an integer number (1818033818940).

Almost surely, 2^{51614446616440} is an apocalyptic number.

It is an amenable number.

51614446616440 is an abundant number, since it is smaller than the sum of its proper divisors (64739717795720).

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

51614446616440 is a wasteful number, since it uses less digits than its factorization.

51614446616440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392552 (or 392548 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 51614446616440 in words is "fifty-one trillion, six hundred fourteen billion, four hundred forty-six million, six hundred sixteen thousand, four hundred forty".