420612375648 has 48 divisors (see below), whose sum is σ = 1104201428400. Its totient is φ = 140192196096.

The previous prime is 420612375629. The next prime is 420612375649. The reversal of 420612375648 is 846573216024.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 420612375597 and 420612375606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420612375649) 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, 985986 + ... + 1346622.

It is an arithmetic number, because the mean of its divisors is an integer number (23004196425).

Almost surely, 2^420612375648 is an apocalyptic number.

420612375648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

420612375648 is an abundant number, since it is smaller than the sum of its proper divisors (683589052752).

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

420612375648 is a wasteful number, since it uses less digits than its factorization.

420612375648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372799 (or 372791 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 420612375648 in words is "four hundred twenty billion, six hundred twelve million, three hundred seventy-five thousand, six hundred forty-eight".