420303443552 has 24 divisors (see below), whose sum is σ = 830417163912. Its totient is φ = 209403846400.

The previous prime is 420303443519. The next prime is 420303443557. The reversal of 420303443552 is 255344303024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420303443557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23361974 + ... + 23379957.

It is an arithmetic number, because the mean of its divisors is an integer number (34600715163).

Almost surely, 2^420303443552 is an apocalyptic number.

It is an amenable number.

420303443552 is a deficient number, since it is larger than the sum of its proper divisors (410113720360).

420303443552 is a wasteful number, since it uses less digits than its factorization.

420303443552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46742222 (or 46742214 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 420303443552 its reverse (255344303024), we get a palindrome (675647746576).

The spelling of 420303443552 in words is "four hundred twenty billion, three hundred three million, four hundred forty-three thousand, five hundred fifty-two".