420264036340 has 48 divisors (see below), whose sum is σ = 901467403200. Its totient is φ = 164528260352.

The previous prime is 420264036271. The next prime is 420264036343. The reversal of 420264036340 is 43630462024.

It is a junction number, because it is equal to n+sod(n) for n = 420264036296 and 420264036305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420264036343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516625 + ... + 1052344.

It is an arithmetic number, because the mean of its divisors is an integer number (18780570900).

Almost surely, 2^420264036340 is an apocalyptic number.

It is an amenable number.

420264036340 is an abundant number, since it is smaller than the sum of its proper divisors (481203366860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420264036340 is a wasteful number, since it uses less digits than its factorization.

420264036340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569264 (or 1569262 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 420264036340 its reverse (43630462024), we get a palindrome (463894498364).

The spelling of 420264036340 in words is "four hundred twenty billion, two hundred sixty-four million, thirty-six thousand, three hundred forty".