421385842284 has 24 divisors (see below), whose sum is σ = 1072618507968. Its totient is φ = 127692679440.

The previous prime is 421385842261. The next prime is 421385842291. The reversal of 421385842284 is 482248583124.

It is a super-2 number, since 2×421385842284² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 1596158362 + ... + 1596158625.

It is an arithmetic number, because the mean of its divisors is an integer number (44692437832).

Almost surely, 2^421385842284 is an apocalyptic number.

421385842284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421385842284 is an abundant number, since it is smaller than the sum of its proper divisors (651232665684).

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

421385842284 is a wasteful number, since it uses less digits than its factorization.

421385842284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192317005 (or 3192317003 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 51.

The spelling of 421385842284 in words is "four hundred twenty-one billion, three hundred eighty-five million, eight hundred forty-two thousand, two hundred eighty-four".