545925795840 has 520 divisors, whose sum is σ = 1968394019328. Its totient is φ = 144733962240.

The previous prime is 545925795823. The next prime is 545925795851. The reversal of 545925795840 is 48597529545.

545925795840 is a `hidden beast` number, since 5 + 4 + 5 + 9 + 2 + 579 + 58 + 4 + 0 = 666.

It is a super-2 number, since 2×545925795840² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 316845219 + ... + 316846941.

Almost surely, 2^545925795840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545925795840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984197009664).

545925795840 is an abundant number, since it is smaller than the sum of its proper divisors (1422468223488).

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

545925795840 is a wasteful number, since it uses less digits than its factorization.

545925795840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 63.

The spelling of 545925795840 in words is "five hundred forty-five billion, nine hundred twenty-five million, seven hundred ninety-five thousand, eight hundred forty".