421526057604 has 12 divisors (see below), whose sum is σ = 983560801104. Its totient is φ = 140508685864.

The previous prime is 421526057503. The next prime is 421526057651. The reversal of 421526057604 is 406750625124.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17563585722 + ... + 17563585745.

It is an arithmetic number, because the mean of its divisors is an integer number (81963400092).

Almost surely, 2^421526057604 is an apocalyptic number.

It is an amenable number.

421526057604 is an abundant number, since it is smaller than the sum of its proper divisors (562034743500).

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

421526057604 is a wasteful number, since it uses less digits than its factorization.

421526057604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35127171474 (or 35127171472 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 421526057604 in words is "four hundred twenty-one billion, five hundred twenty-six million, fifty-seven thousand, six hundred four".