545014031640 has 256 divisors, whose sum is σ = 1895997196800. Its totient is φ = 124125241344.

The previous prime is 545014031539. The next prime is 545014031641. The reversal of 545014031640 is 46130410545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545014031641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1390519 + ... + 1738841.

It is an arithmetic number, because the mean of its divisors is an integer number (7406239050).

Almost surely, 2^545014031640 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 545014031640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947998598400).

545014031640 is an abundant number, since it is smaller than the sum of its proper divisors (1350983165160).

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

545014031640 is a wasteful number, since it uses less digits than its factorization.

545014031640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348426 (or 348422 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 545014031640 in words is "five hundred forty-five billion, fourteen million, thirty-one thousand, six hundred forty".