75642215456450 has 48 divisors (see below), whose sum is σ = 148139111868000. Its totient is φ = 28656750810240.

The previous prime is 75642215456389. The next prime is 75642215456459. The reversal of 75642215456450 is 5465451224657.

It is a super-3 number, since 3×75642215456450³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (75642215456459) 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, 7095635 + ... + 14199734.

It is an arithmetic number, because the mean of its divisors is an integer number (3086231497250).

Almost surely, 2^{75642215456450} is an apocalyptic number.

75642215456450 is a deficient number, since it is larger than the sum of its proper divisors (72496896411550).

75642215456450 is a wasteful number, since it uses less digits than its factorization.

75642215456450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299139 (or 21299134 counting only the distinct ones).

The product of its (nonzero) digits is 40320000, while the sum is 56.

The spelling of 75642215456450 in words is "seventy-five trillion, six hundred forty-two billion, two hundred fifteen million, four hundred fifty-six thousand, four hundred fifty".