420526455 has 32 divisors (see below), whose sum is σ = 691021056. Its totient is φ = 218260224.

The previous prime is 420526409. The next prime is 420526493. The reversal of 420526455 is 554625024.

It is not a de Polignac number, because 420526455 - 2⁶ = 420526391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200844 + ... + 202926.

It is an arithmetic number, because the mean of its divisors is an integer number (21594408).

Almost surely, 2^420526455 is an apocalyptic number.

420526455 is a deficient number, since it is larger than the sum of its proper divisors (270494601).

420526455 is a wasteful number, since it uses less digits than its factorization.

420526455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 420526455 is about 20506.7416963300. The cubic root of 420526455 is about 749.2000092119.

The spelling of 420526455 in words is "four hundred twenty million, five hundred twenty-six thousand, four hundred fifty-five".