420002956448 has 24 divisors (see below), whose sum is σ = 840436247700. Its totient is φ = 206558830080.

The previous prime is 420002956441. The next prime is 420002956469. The reversal of 420002956448 is 844659200024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 321248636944 + 98754319504 = 566788^2 + 314252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420002956399 and 420002956408.

It is not an unprimeable number, because it can be changed into a prime (420002956441) 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, 107580773 + ... + 107584676.

Almost surely, 2^420002956448 is an apocalyptic number.

It is an amenable number.

420002956448 is an abundant number, since it is smaller than the sum of its proper divisors (420433291252).

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

420002956448 is a wasteful number, since it uses less digits than its factorization.

420002956448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215165520 (or 215165512 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 420002956448 in words is "four hundred twenty billion, two million, nine hundred fifty-six thousand, four hundred forty-eight".