428065087540 has 96 divisors (see below), whose sum is σ = 936946289664. Its totient is φ = 164166213120.

The previous prime is 428065087537. The next prime is 428065087543. The reversal of 428065087540 is 45780560824.

It is an interprime number because it is at equal distance from previous prime (428065087537) and next prime (428065087543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428065087543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10457754 + ... + 10498606.

It is an arithmetic number, because the mean of its divisors is an integer number (9759857184).

Almost surely, 2^428065087540 is an apocalyptic number.

It is an amenable number.

428065087540 is an abundant number, since it is smaller than the sum of its proper divisors (508881202124).

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

428065087540 is a wasteful number, since it uses less digits than its factorization.

428065087540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41137 (or 41135 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 428065087540 in words is "four hundred twenty-eight billion, sixty-five million, eighty-seven thousand, five hundred forty".