420310061552 has 20 divisors (see below), whose sum is σ = 814441879080. Its totient is φ = 210131512128.

The previous prime is 420310061537. The next prime is 420310061609. The reversal of 420310061552 is 255160013024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322027 + ... + 1608842.

It is an arithmetic number, because the mean of its divisors is an integer number (40722093954).

Almost surely, 2^420310061552 is an apocalyptic number.

It is an amenable number.

420310061552 is a deficient number, since it is larger than the sum of its proper divisors (394131817528).

420310061552 is a wasteful number, since it uses less digits than its factorization.

420310061552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939840 (or 2939834 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 420310061552 its reverse (255160013024), we get a palindrome (675470074576).

The spelling of 420310061552 in words is "four hundred twenty billion, three hundred ten million, sixty-one thousand, five hundred fifty-two".