45406617808 has 30 divisors (see below), whose sum is σ = 90068898354. Its totient is φ = 22175310528.

The previous prime is 45406617787. The next prime is 45406617811. The reversal of 45406617808 is 80871660454.

It can be written as a sum of positive squares in only one way, i.e., 26755799184 + 18650818624 = 163572^2 + 136568^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 737835 + ... + 797002.

Almost surely, 2^45406617808 is an apocalyptic number.

It is an amenable number.

45406617808 is a deficient number, since it is larger than the sum of its proper divisors (44662280546).

45406617808 is a wasteful number, since it uses less digits than its factorization.

45406617808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534931 (or 1534882 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 45406617808 in words is "forty-five billion, four hundred six million, six hundred seventeen thousand, eight hundred eight".