420451545452524 has 24 divisors (see below), whose sum is σ = 742418213136768. Its totient is φ = 208332640400640.

The previous prime is 420451545452473. The next prime is 420451545452569. The reversal of 420451545452524 is 425254545154024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70170847 + ... + 75926614.

It is an arithmetic number, because the mean of its divisors is an integer number (30934092214032).

Almost surely, 2^{420451545452524} is an apocalyptic number.

It is an amenable number.

420451545452524 is a deficient number, since it is larger than the sum of its proper divisors (321966667684244).

420451545452524 is a wasteful number, since it uses less digits than its factorization.

420451545452524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146103945 (or 146103943 counting only the distinct ones).

The product of its (nonzero) digits is 25600000, while the sum is 52.

The spelling of 420451545452524 in words is "four hundred twenty trillion, four hundred fifty-one billion, five hundred forty-five million, four hundred fifty-two thousand, five hundred twenty-four".