420322253541 has 8 divisors (see below), whose sum is σ = 560433034944. Its totient is φ = 280213153920.

The previous prime is 420322253539. The next prime is 420322253651. The reversal of 420322253541 is 145352223024.

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

It is not a de Polignac number, because 420322253541 - 2¹ = 420322253539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420322251541) 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, 380920 + ... + 992846.

It is an arithmetic number, because the mean of its divisors is an integer number (70054129368).

Almost surely, 2^420322253541 is an apocalyptic number.

It is an amenable number.

420322253541 is a deficient number, since it is larger than the sum of its proper divisors (140110781403).

420322253541 is a wasteful number, since it uses less digits than its factorization.

420322253541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840891.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 420322253541 its reverse (145352223024), we get a palindrome (565674476565).

The spelling of 420322253541 in words is "four hundred twenty billion, three hundred twenty-two million, two hundred fifty-three thousand, five hundred forty-one".