420023024344 has 72 divisors (see below), whose sum is σ = 1006976800620. Its totient is φ = 163645315680.

The previous prime is 420023024303. The next prime is 420023024353. The reversal of 420023024344 is 443420320024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4380202 + ... + 4475065.

Almost surely, 2^420023024344 is an apocalyptic number.

420023024344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420023024344 is an abundant number, since it is smaller than the sum of its proper divisors (586953776276).

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

420023024344 is a wasteful number, since it uses less digits than its factorization.

420023024344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855309 (or 8855287 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 420023024344 its reverse (443420320024), we get a palindrome (863443344368).

The spelling of 420023024344 in words is "four hundred twenty billion, twenty-three million, twenty-four thousand, three hundred forty-four".