420245131435 has 8 divisors (see below), whose sum is σ = 504502816896. Its totient is φ = 336056999040.

The previous prime is 420245131417. The next prime is 420245131463. The reversal of 420245131435 is 534131542024.

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

It is not a de Polignac number, because 420245131435 - 2⁷ = 420245131307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420245131435.

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, 17374971 + ... + 17399140.

It is an arithmetic number, because the mean of its divisors is an integer number (63062852112).

Almost surely, 2^420245131435 is an apocalyptic number.

420245131435 is a deficient number, since it is larger than the sum of its proper divisors (84257685461).

420245131435 is a wasteful number, since it uses less digits than its factorization.

420245131435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776533.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 420245131435 its reverse (534131542024), we get a palindrome (954376673459).

The spelling of 420245131435 in words is "four hundred twenty billion, two hundred forty-five million, one hundred thirty-one thousand, four hundred thirty-five".