420187382399 has 8 divisors (see below), whose sum is σ = 444952196640. Its totient is φ = 395427891456.

The previous prime is 420187382383. The next prime is 420187382449. The reversal of 420187382399 is 993283781024.

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

It is a cyclic number.

It is not a de Polignac number, because 420187382399 - 2⁴ = 420187382383 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 (420187382309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167734 + ... + 1484579.

It is an arithmetic number, because the mean of its divisors is an integer number (55619024580).

Almost surely, 2^420187382399 is an apocalyptic number.

420187382399 is a deficient number, since it is larger than the sum of its proper divisors (24764814241).

420187382399 is a wasteful number, since it uses less digits than its factorization.

420187382399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661649.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 420187382399 in words is "four hundred twenty billion, one hundred eighty-seven million, three hundred eighty-two thousand, three hundred ninety-nine".