545207040 has 216 divisors, whose sum is σ = 2156158368. Its totient is φ = 124600320.

The previous prime is 545207029. The next prime is 545207057. The reversal of 545207040 is 40702545.

It is a junction number, because it is equal to n+sod(n) for n = 545206995 and 545207013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77260 + ... + 84020.

Almost surely, 2^545207040 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 545207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078079184).

545207040 is an abundant number, since it is smaller than the sum of its proper divisors (1610951328).

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

545207040 is a wasteful number, since it uses less digits than its factorization.

545207040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795 (or 6778 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 545207040 is about 23349.6689484027. The cubic root of 545207040 is about 816.9343392092.

Adding to 545207040 its reverse (40702545), we get a palindrome (585909585).

The spelling of 545207040 in words is "five hundred forty-five million, two hundred seven thousand, forty".