420156444353 has 8 divisors (see below), whose sum is σ = 427887308160. Its totient is φ = 412445899600.

The previous prime is 420156444341. The next prime is 420156444361. The reversal of 420156444353 is 353444651024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420156444353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420156444353.

It is not an unprimeable number, because it can be changed into a prime (420156444373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038025 + ... + 5120742.

It is an arithmetic number, because the mean of its divisors is an integer number (53485913520).

Almost surely, 2^420156444353 is an apocalyptic number.

It is an amenable number.

420156444353 is a deficient number, since it is larger than the sum of its proper divisors (7730863807).

420156444353 is a wasteful number, since it uses less digits than its factorization.

420156444353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159527.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 420156444353 in words is "four hundred twenty billion, one hundred fifty-six million, four hundred forty-four thousand, three hundred fifty-three".