421134244015040 has 56 divisors (see below), whose sum is σ = 1061815678489872. Its totient is φ = 158544656568320.

The previous prime is 421134244014949. The next prime is 421134244015073. The reversal of 421134244015040 is 40510442431124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38707186106 + ... + 38707196985.

Almost surely, 2^{421134244015040} is an apocalyptic number.

421134244015040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421134244015040 is an abundant number, since it is smaller than the sum of its proper divisors (640681434474832).

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

421134244015040 is a wasteful number, since it uses less digits than its factorization.

421134244015040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77414383125 (or 77414383115 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 421134244015040 its reverse (40510442431124), we get a palindrome (461644686446164).

The spelling of 421134244015040 in words is "four hundred twenty-one trillion, one hundred thirty-four billion, two hundred forty-four million, fifteen thousand, forty".