45212464644 has 12 divisors (see below), whose sum is σ = 105495750864. Its totient is φ = 15070821544.

The previous prime is 45212464639. The next prime is 45212464721. The reversal of 45212464644 is 44646421254.

45212464644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 45212464596 and 45212464605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883852682 + ... + 1883852705.

It is an arithmetic number, because the mean of its divisors is an integer number (8791312572).

Almost surely, 2^45212464644 is an apocalyptic number.

It is an amenable number.

45212464644 is an abundant number, since it is smaller than the sum of its proper divisors (60283286220).

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

45212464644 is a wasteful number, since it uses less digits than its factorization.

45212464644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767705394 (or 3767705392 counting only the distinct ones).

The product of its digits is 737280, while the sum is 42.

Adding to 45212464644 its reverse (44646421254), we get a palindrome (89858885898).

The spelling of 45212464644 in words is "forty-five billion, two hundred twelve million, four hundred sixty-four thousand, six hundred forty-four".