421451140000 has 120 divisors (see below), whose sum is σ = 1131091159968. Its totient is φ = 153254880000.

The previous prime is 421451139983. The next prime is 421451140039. The reversal of 421451140000 is 41154124.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 737844 + ... + 1177843.

Almost surely, 2^421451140000 is an apocalyptic number.

421451140000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421451140000 is an abundant number, since it is smaller than the sum of its proper divisors (709640019968).

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

421451140000 is a wasteful number, since it uses less digits than its factorization.

421451140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915728 (or 1915705 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 421451140000 its reverse (41154124), we get a palindrome (421492294124).

The spelling of 421451140000 in words is "four hundred twenty-one billion, four hundred fifty-one million, one hundred forty thousand".