420896555 has 8 divisors (see below), whose sum is σ = 506410800. Its totient is φ = 335827296.

The previous prime is 420896537. The next prime is 420896563. The reversal of 420896555 is 555698024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420896555 - 2⁶ = 420896491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109160 + ... + 112949.

It is an arithmetic number, because the mean of its divisors is an integer number (63301350).

Almost surely, 2^420896555 is an apocalyptic number.

420896555 is a deficient number, since it is larger than the sum of its proper divisors (85514245).

420896555 is a wasteful number, since it uses less digits than its factorization.

420896555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222493.

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 420896555 is about 20515.7635734086. The cubic root of 420896555 is about 749.4197319084.

The spelling of 420896555 in words is "four hundred twenty million, eight hundred ninety-six thousand, five hundred fifty-five".