420461364545 has 16 divisors (see below), whose sum is σ = 505326098880. Its totient is φ = 335854488000.

The previous prime is 420461364509. The next prime is 420461364563. The reversal of 420461364545 is 545463164024.

It is not a de Polignac number, because 420461364545 - 2⁸ = 420461364289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420461364496 and 420461364505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9663890 + ... + 9707300.

It is an arithmetic number, because the mean of its divisors is an integer number (31582881180).

Almost surely, 2^420461364545 is an apocalyptic number.

It is an amenable number.

420461364545 is a deficient number, since it is larger than the sum of its proper divisors (84864734335).

420461364545 is a wasteful number, since it uses less digits than its factorization.

420461364545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46336.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 420461364545 in words is "four hundred twenty billion, four hundred sixty-one million, three hundred sixty-four thousand, five hundred forty-five".