420236483815720 has 64 divisors (see below), whose sum is σ = 1110834901290240. Its totient is φ = 141058400160000.

The previous prime is 420236483815703. The next prime is 420236483815781. The reversal of 420236483815720 is 27518384632024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36733952656 + ... + 36733964095.

It is an arithmetic number, because the mean of its divisors is an integer number (17356795332660).

Almost surely, 2^{420236483815720} is an apocalyptic number.

420236483815720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420236483815720 is an abundant number, since it is smaller than the sum of its proper divisors (690598417474520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420236483815720 is a wasteful number, since it uses less digits than its factorization.

420236483815720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73467916786 (or 73467916782 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 420236483815720 in words is "four hundred twenty trillion, two hundred thirty-six billion, four hundred eighty-three million, eight hundred fifteen thousand, seven hundred twenty".