420340552383 has 16 divisors (see below), whose sum is σ = 566381674496. Its totient is φ = 277275065760.

The previous prime is 420340552381. The next prime is 420340552397. The reversal of 420340552383 is 383255043024.

It is not a de Polignac number, because 420340552383 - 2¹ = 420340552381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420340552381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336783 + ... + 1621008.

It is an arithmetic number, because the mean of its divisors is an integer number (35398854656).

Almost surely, 2^420340552383 is an apocalyptic number.

420340552383 is a deficient number, since it is larger than the sum of its proper divisors (146041122113).

420340552383 is a wasteful number, since it uses less digits than its factorization.

420340552383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958294.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 420340552383 in words is "four hundred twenty billion, three hundred forty million, five hundred fifty-two thousand, three hundred eighty-three".