45798777507840 has 208 divisors, whose sum is σ = 167472227718528. Its totient is φ = 10468291903488.

The previous prime is 45798777507829. The next prime is 45798777507841. The reversal of 45798777507840 is 4870577789754.

It is a happy number.

It is a super-2 number, since 2×45798777507840² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45798777507841) 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, 52814407 + ... + 53674566.

Almost surely, 2^{45798777507840} is an apocalyptic number.

45798777507840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45798777507840 is an abundant number, since it is smaller than the sum of its proper divisors (121673450210688).

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

45798777507840 is a wasteful number, since it uses less digits than its factorization.

45798777507840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106489012 (or 106488990 counting only the distinct ones).

The product of its (nonzero) digits is 3872332800, while the sum is 78.

The spelling of 45798777507840 in words is "forty-five trillion, seven hundred ninety-eight billion, seven hundred seventy-seven million, five hundred seven thousand, eight hundred forty".