75525428442 has 16 divisors (see below), whose sum is σ = 151471615680. Its totient is φ = 25105016352.

The previous prime is 75525428387. The next prime is 75525428479. The reversal of 75525428442 is 24482452557.

It is a junction number, because it is equal to n+sod(n) for n = 75525428391 and 75525428400.

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, 17529283 + ... + 17533590.

It is an arithmetic number, because the mean of its divisors is an integer number (9466975980).

Almost surely, 2^75525428442 is an apocalyptic number.

75525428442 is an abundant number, since it is smaller than the sum of its proper divisors (75946187238).

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

75525428442 is a wasteful number, since it uses less digits than its factorization.

75525428442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35063237.

The product of its digits is 3584000, while the sum is 48.

The spelling of 75525428442 in words is "seventy-five billion, five hundred twenty-five million, four hundred twenty-eight thousand, four hundred forty-two".