454121423532 has 72 divisors (see below), whose sum is σ = 1312211846400. Its totient is φ = 129718762848.

The previous prime is 454121423513. The next prime is 454121423543. The reversal of 454121423532 is 235324121454.

It is a happy number.

454121423532 is a `hidden beast` number, since 4 + 5 + 412 + 1 + 4 + 235 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885769 + ... + 1301087.

Almost surely, 2^454121423532 is an apocalyptic number.

454121423532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

454121423532 is an abundant number, since it is smaller than the sum of its proper divisors (858090422868).

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

454121423532 is a wasteful number, since it uses less digits than its factorization.

454121423532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419675 (or 419670 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 454121423532 its reverse (235324121454), we get a palindrome (689445544986).

It can be divided in two parts, 45412 and 1423532, that added together give a square (1468944 = 1212²).

The spelling of 454121423532 in words is "four hundred fifty-four billion, one hundred twenty-one million, four hundred twenty-three thousand, five hundred thirty-two".