45663704280 has 96 divisors (see below), whose sum is σ = 148647517200. Its totient is φ = 12157256448.

The previous prime is 45663704249. The next prime is 45663704287. The reversal of 45663704280 is 8240736654.

45663704280 is a `hidden beast` number, since 4 + 5 + 6 + 637 + 0 + 4 + 2 + 8 + 0 = 666.

It is a super-3 number, since 3×45663704280³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45663704287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120382 + ... + 325298.

Almost surely, 2^45663704280 is an apocalyptic number.

45663704280 is a gapful number since it is divisible by the number (40) 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 45663704280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74323758600).

45663704280 is an abundant number, since it is smaller than the sum of its proper divisors (102983812920).

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

45663704280 is a wasteful number, since it uses less digits than its factorization.

45663704280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205553 (or 205546 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 45663704280 in words is "forty-five billion, six hundred sixty-three million, seven hundred four thousand, two hundred eighty".