73545206040 has 64 divisors (see below), whose sum is σ = 245150690400. Its totient is φ = 19612054656.

The previous prime is 73545206017. The next prime is 73545206089. The reversal of 73545206040 is 4060254537.

73545206040 is a `hidden beast` number, since 7 + 3 + 5 + 45 + 2 + 0 + 604 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 73545205986 and 73545206004.

It is a congruent number.

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, 34047627 + ... + 34049786.

Almost surely, 2^73545206040 is an apocalyptic number.

It is an amenable number.

73545206040 is an abundant number, since it is smaller than the sum of its proper divisors (171605484360).

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

73545206040 is a wasteful number, since it uses less digits than its factorization.

73545206040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68097433 (or 68097423 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 73545206040 in words is "seventy-three billion, five hundred forty-five million, two hundred six thousand, forty".