420111614728 has 32 divisors (see below), whose sum is σ = 848350641600. Its totient is φ = 193886618688.

The previous prime is 420111614683. The next prime is 420111614729. The reversal of 420111614728 is 827416111024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420111614729) 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, 1884925 + ... + 2095987.

It is an arithmetic number, because the mean of its divisors is an integer number (26510957550).

Almost surely, 2^420111614728 is an apocalyptic number.

It is an amenable number.

420111614728 is an abundant number, since it is smaller than the sum of its proper divisors (428239026872).

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

420111614728 is a wasteful number, since it uses less digits than its factorization.

420111614728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230221 (or 230217 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 420111614728 in words is "four hundred twenty billion, one hundred eleven million, six hundred fourteen thousand, seven hundred twenty-eight".