421254587958 has 16 divisors (see below), whose sum is σ = 865279694640. Its totient is φ = 136623109536.

The previous prime is 421254587951. The next prime is 421254587993. The reversal of 421254587958 is 859785452124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421254587951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948771373 + ... + 948771816.

It is an arithmetic number, because the mean of its divisors is an integer number (54079980915).

Almost surely, 2^421254587958 is an apocalyptic number.

421254587958 is an abundant number, since it is smaller than the sum of its proper divisors (444025106682).

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

421254587958 is a wasteful number, since it uses less digits than its factorization.

421254587958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897543231.

The product of its digits is 32256000, while the sum is 60.

The spelling of 421254587958 in words is "four hundred twenty-one billion, two hundred fifty-four million, five hundred eighty-seven thousand, nine hundred fifty-eight".