420248711040 has 64 divisors (see below), whose sum is σ = 1339542772560. Its totient is φ = 112066322432.

The previous prime is 420248711011. The next prime is 420248711053. The reversal of 420248711040 is 40117842024.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 420248710992 and 420248711010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109437849 + ... + 109441688.

Almost surely, 2^420248711040 is an apocalyptic number.

420248711040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420248711040 is an abundant number, since it is smaller than the sum of its proper divisors (919294061520).

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

420248711040 is a wasteful number, since it uses less digits than its factorization.

420248711040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218879559 (or 218879547 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The spelling of 420248711040 in words is "four hundred twenty billion, two hundred forty-eight million, seven hundred eleven thousand, forty".