421151146000 has 320 divisors, whose sum is σ = 1117635966720. Its totient is φ = 152550604800.

The previous prime is 421151145979. The next prime is 421151146049. The reversal of 421151146000 is 641151124.

It is a super-2 number, since 2×421151146000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 729897712 + ... + 729898288.

It is an arithmetic number, because the mean of its divisors is an integer number (3492612396).

Almost surely, 2^421151146000 is an apocalyptic number.

421151146000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421151146000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558817983360).

421151146000 is an abundant number, since it is smaller than the sum of its proper divisors (696484820720).

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

421151146000 is a wasteful number, since it uses less digits than its factorization.

421151146000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 421151146000 its reverse (641151124), we get a palindrome (421792297124).

The spelling of 421151146000 in words is "four hundred twenty-one billion, one hundred fifty-one million, one hundred forty-six thousand".