51042465446 has 16 divisors (see below), whose sum is σ = 87559315200. Its totient is φ = 21860855880.

The previous prime is 51042465443. The next prime is 51042465457. The reversal of 51042465446 is 64456424015.

It is a super-3 number, since 3×51042465446³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51042465443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185296 + ... + 1227603.

It is an arithmetic number, because the mean of its divisors is an integer number (5472457200).

Almost surely, 2^51042465446 is an apocalyptic number.

51042465446 is a deficient number, since it is larger than the sum of its proper divisors (36516849754).

51042465446 is a wasteful number, since it uses less digits than its factorization.

51042465446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414419.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 51042465446 in words is "fifty-one billion, forty-two million, four hundred sixty-five thousand, four hundred forty-six".