420147683344 has 45 divisors (see below), whose sum is σ = 820961258781. Its totient is φ = 208301695680.

The previous prime is 420147683273. The next prime is 420147683357. The reversal of 420147683344 is 443386741024.

It is a happy number.

The square root of 420147683344 is 648188.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 317306890000 + 102840793344 = 563300^2 + 320688^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420147683294 and 420147683303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 339649894 + ... + 339651130.

Almost surely, 2^420147683344 is an apocalyptic number.

420147683344 is the 648188-th square number.

It is an amenable number.

420147683344 is a deficient number, since it is larger than the sum of its proper divisors (400813575437).

420147683344 is an frugal number, since it uses more digits than its factorization.

420147683344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 420147683344 in words is "four hundred twenty billion, one hundred forty-seven million, six hundred eighty-three thousand, three hundred forty-four".