545044230420640 has 96 divisors (see below), whose sum is σ = 1343659887271296. Its totient is φ = 208537518013440.

The previous prime is 545044230420607. The next prime is 545044230420689. The reversal of 545044230420640 is 46024032440545.

It is a super-2 number, since 2×545044230420640² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015746654 + ... + 1016283106.

It is an arithmetic number, because the mean of its divisors is an integer number (13996457159076).

Almost surely, 2^{545044230420640} is an apocalyptic number.

It is an amenable number.

545044230420640 is an abundant number, since it is smaller than the sum of its proper divisors (798615656850656).

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

545044230420640 is a wasteful number, since it uses less digits than its factorization.

545044230420640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812582 (or 812574 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

The spelling of 545044230420640 in words is "five hundred forty-five trillion, forty-four billion, two hundred thirty million, four hundred twenty thousand, six hundred forty".