420525422454 has 32 divisors (see below), whose sum is σ = 853285688064. Its totient is φ = 138137801760.

The previous prime is 420525422419. The next prime is 420525422459. The reversal of 420525422454 is 454224525024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420525422459) 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, 714432 + ... + 1162524.

It is an arithmetic number, because the mean of its divisors is an integer number (26665177752).

Almost surely, 2^420525422454 is an apocalyptic number.

420525422454 is an abundant number, since it is smaller than the sum of its proper divisors (432760265610).

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

420525422454 is a wasteful number, since it uses less digits than its factorization.

420525422454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450372.

The product of its (nonzero) digits is 512000, while the sum is 39.

Adding to 420525422454 its reverse (454224525024), we get a palindrome (874749947478).

The spelling of 420525422454 in words is "four hundred twenty billion, five hundred twenty-five million, four hundred twenty-two thousand, four hundred fifty-four".