420355978786430 has 8 divisors (see below), whose sum is σ = 756640761815592. Its totient is φ = 168142391514568.

The previous prime is 420355978786379. The next prime is 420355978786433. The reversal of 420355978786430 is 34687879553024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420355978786433) 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, 21017798939312 + ... + 21017798939331.

It is an arithmetic number, because the mean of its divisors is an integer number (94580095226949).

Almost surely, 2^{420355978786430} is an apocalyptic number.

420355978786430 is a deficient number, since it is larger than the sum of its proper divisors (336284783029162).

420355978786430 is a wasteful number, since it uses less digits than its factorization.

420355978786430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42035597878650.

The product of its (nonzero) digits is 1219276800, while the sum is 71.

The spelling of 420355978786430 in words is "four hundred twenty trillion, three hundred fifty-five billion, nine hundred seventy-eight million, seven hundred eighty-six thousand, four hundred thirty".