420248748 has 12 divisors (see below), whose sum is σ = 980580440. Its totient is φ = 140082912.

The previous prime is 420248711. The next prime is 420248749. The reversal of 420248748 is 847842024.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (420248749) 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, 17510353 + ... + 17510376.

Almost surely, 2^420248748 is an apocalyptic number.

It is an amenable number.

420248748 is an abundant number, since it is smaller than the sum of its proper divisors (560331692).

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

420248748 is a wasteful number, since it uses less digits than its factorization.

420248748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35020736 (or 35020734 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 420248748 is about 20499.9694633919. The cubic root of 420248748 is about 749.0350541496.

The spelling of 420248748 in words is "four hundred twenty million, two hundred forty-eight thousand, seven hundred forty-eight".