424272020645 has 64 divisors (see below), whose sum is σ = 601880315904. Its totient is φ = 283646238720.

The previous prime is 424272020591. The next prime is 424272020657. The reversal of 424272020645 is 546020272424.

It is not a de Polignac number, because 424272020645 - 2¹⁰ = 424272019621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424272020599 and 424272020608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11031569 + ... + 11069961.

It is an arithmetic number, because the mean of its divisors is an integer number (9404379936).

Almost surely, 2^424272020645 is an apocalyptic number.

It is an amenable number.

424272020645 is a deficient number, since it is larger than the sum of its proper divisors (177608295259).

424272020645 is a wasteful number, since it uses less digits than its factorization.

424272020645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38702.

The product of its (nonzero) digits is 215040, while the sum is 38.

The spelling of 424272020645 in words is "four hundred twenty-four billion, two hundred seventy-two million, twenty thousand, six hundred forty-five".