421132032251454 has 32 divisors (see below), whose sum is σ = 845198797976064. Its totient is φ = 139888289993760.

The previous prime is 421132032251453. The next prime is 421132032251479. The reversal of 421132032251454 is 454152230231124.

It is a super-2 number, since 2×421132032251454² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421132032251453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16224567 + ... + 33249069.

It is an arithmetic number, because the mean of its divisors is an integer number (26412462436752).

Almost surely, 2^{421132032251454} is an apocalyptic number.

421132032251454 is an abundant number, since it is smaller than the sum of its proper divisors (424066765724610).

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

421132032251454 is a wasteful number, since it uses less digits than its factorization.

421132032251454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17038872.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 421132032251454 its reverse (454152230231124), we get a palindrome (875284262482578).

The spelling of 421132032251454 in words is "four hundred twenty-one trillion, one hundred thirty-two billion, thirty-two million, two hundred fifty-one thousand, four hundred fifty-four".