75468541440 has 80 divisors (see below), whose sum is σ = 241263517968. Its totient is φ = 20124942336.

The previous prime is 75468541417. The next prime is 75468541451. The reversal of 75468541440 is 4414586457.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 75468541440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4905637 + ... + 4920996.

Almost surely, 2^75468541440 is an apocalyptic number.

It is an amenable number.

75468541440 is an abundant number, since it is smaller than the sum of its proper divisors (165794976528).

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

75468541440 is an equidigital number, since it uses as much as digits as its factorization.

75468541440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9826659 (or 9826643 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 75468541440 in words is "seventy-five billion, four hundred sixty-eight million, five hundred forty-one thousand, four hundred forty".