420636350203678 has 8 divisors (see below), whose sum is σ = 721090886063472. Its totient is φ = 180272721515856.

The previous prime is 420636350203661. The next prime is 420636350203733. The reversal of 420636350203678 is 876302053636024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×420636350203678² (a number of 30 digits) contains 22 as substring.

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, 15022726792975 + ... + 15022726793002.

It is an arithmetic number, because the mean of its divisors is an integer number (90136360757934).

Almost surely, 2^{420636350203678} is an apocalyptic number.

420636350203678 is a deficient number, since it is larger than the sum of its proper divisors (300454535859794).

420636350203678 is a wasteful number, since it uses less digits than its factorization.

420636350203678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30045453585986.

The product of its (nonzero) digits is 26127360, while the sum is 55.

The spelling of 420636350203678 in words is "four hundred twenty trillion, six hundred thirty-six billion, three hundred fifty million, two hundred three thousand, six hundred seventy-eight".