75840545448 has 96 divisors (see below), whose sum is σ = 212407453440. Its totient is φ = 24420833280.

The previous prime is 75840545447. The next prime is 75840545507. The reversal of 75840545448 is 84454504857.

75840545448 is a `hidden beast` number, since 7 + 5 + 8 + 40 + 54 + 544 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 75840545394 and 75840545403.

It is not an unprimeable number, because it can be changed into a prime (75840545447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1226440 + ... + 1286792.

It is an arithmetic number, because the mean of its divisors is an integer number (2212577640).

Almost surely, 2^75840545448 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 75840545448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106203726720).

75840545448 is an abundant number, since it is smaller than the sum of its proper divisors (136566907992).

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

75840545448 is a wasteful number, since it uses less digits than its factorization.

75840545448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60959 (or 60952 counting only the distinct ones).

The product of its (nonzero) digits is 14336000, while the sum is 54.

The spelling of 75840545448 in words is "seventy-five billion, eight hundred forty million, five hundred forty-five thousand, four hundred forty-eight".