420454325522 has 64 divisors (see below), whose sum is σ = 814680944640. Its totient is φ = 157919092800.

The previous prime is 420454325491. The next prime is 420454325537. The reversal of 420454325522 is 225523454024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2816747 + ... + 2962257.

It is an arithmetic number, because the mean of its divisors is an integer number (12729389760).

Almost surely, 2^420454325522 is an apocalyptic number.

420454325522 is a deficient number, since it is larger than the sum of its proper divisors (394226619118).

420454325522 is a wasteful number, since it uses less digits than its factorization.

420454325522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146207.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 420454325522 its reverse (225523454024), we get a palindrome (645977779546).

The spelling of 420454325522 in words is "four hundred twenty billion, four hundred fifty-four million, three hundred twenty-five thousand, five hundred twenty-two".