545443643526540 has 96 divisors (see below), whose sum is σ = 1701530963887104. Its totient is φ = 129415384143360.

The previous prime is 545443643526491. The next prime is 545443643526589. The reversal of 545443643526540 is 45625346344545.

It is an interprime number because it is at equal distance from previous prime (545443643526491) and next prime (545443643526589).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8791774969 + ... + 8791837008.

It is an arithmetic number, because the mean of its divisors is an integer number (17724280873824).

Almost surely, 2^{545443643526540} is an apocalyptic number.

It is an amenable number.

545443643526540 is an abundant number, since it is smaller than the sum of its proper divisors (1156087320360564).

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

545443643526540 is a wasteful number, since it uses less digits than its factorization.

545443643526540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583612047 (or 17583612045 counting only the distinct ones).

The product of its (nonzero) digits is 414720000, while the sum is 60.

The spelling of 545443643526540 in words is "five hundred forty-five trillion, four hundred forty-three billion, six hundred forty-three million, five hundred twenty-six thousand, five hundred forty".