421441326156 has 12 divisors (see below), whose sum is σ = 983363094392. Its totient is φ = 140480442048.

The previous prime is 421441326101. The next prime is 421441326157. The reversal of 421441326156 is 651623144124.

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

It is a super-2 number, since 2×421441326156² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421441326157) 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 3 ways as a sum of consecutive naturals, for example, 17560055245 + ... + 17560055268.

Almost surely, 2^421441326156 is an apocalyptic number.

It is an amenable number.

421441326156 is an abundant number, since it is smaller than the sum of its proper divisors (561921768236).

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

421441326156 is a wasteful number, since it uses less digits than its factorization.

421441326156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35120110520 (or 35120110518 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The spelling of 421441326156 in words is "four hundred twenty-one billion, four hundred forty-one million, three hundred twenty-six thousand, one hundred fifty-six".