420487426 has 8 divisors (see below), whose sum is σ = 658154304. Its totient is φ = 201102660.

The previous prime is 420487421. The next prime is 420487433. The reversal of 420487426 is 624784024.

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

It is not an unprimeable number, because it can be changed into a prime (420487421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4570470 + ... + 4570561.

It is an arithmetic number, because the mean of its divisors is an integer number (82269288).

Almost surely, 2^420487426 is an apocalyptic number.

420487426 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

420487426 is a deficient number, since it is larger than the sum of its proper divisors (237666878).

420487426 is a wasteful number, since it uses less digits than its factorization.

420487426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141056.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 420487426 is about 20505.7900603708. The cubic root of 420487426 is about 749.1768307797.

The spelling of 420487426 in words is "four hundred twenty million, four hundred eighty-seven thousand, four hundred twenty-six".