45690647808 has 144 divisors (see below), whose sum is σ = 132120072000. Its totient is φ = 13933903872.

The previous prime is 45690647777. The next prime is 45690647809. The reversal of 45690647808 is 80874609654.

45690647808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45690647808² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45690647809) 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, 1107943 + ... + 1148441.

It is an arithmetic number, because the mean of its divisors is an integer number (917500500).

Almost surely, 2^45690647808 is an apocalyptic number.

45690647808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45690647808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66060036000).

45690647808 is an abundant number, since it is smaller than the sum of its proper divisors (86429424192).

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

45690647808 is a wasteful number, since it uses less digits than its factorization.

45690647808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40644 (or 40630 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 45690647808 in words is "forty-five billion, six hundred ninety million, six hundred forty-seven thousand, eight hundred eight".