420350052240 has 120 divisors (see below), whose sum is σ = 1485974355840. Its totient is φ = 106193693952.

The previous prime is 420350052229. The next prime is 420350052257. The reversal of 420350052240 is 42250053024.

It is a happy number.

420350052240 is a `hidden beast` number, since 4 + 20 + 350 + 0 + 52 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15349992 + ... + 15377351.

It is an arithmetic number, because the mean of its divisors is an integer number (12383119632).

Almost surely, 2^420350052240 is an apocalyptic number.

420350052240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420350052240 is an abundant number, since it is smaller than the sum of its proper divisors (1065624303600).

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

420350052240 is a wasteful number, since it uses less digits than its factorization.

420350052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30727381 (or 30727372 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 420350052240 in words is "four hundred twenty billion, three hundred fifty million, fifty-two thousand, two hundred forty".