428070310872 has 16 divisors (see below), whose sum is σ = 1070175777240. Its totient is φ = 142690103616.

The previous prime is 428070310861. The next prime is 428070310873. The reversal of 428070310872 is 278013070824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428070310873) 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, 8918131453 + ... + 8918131500.

Almost surely, 2^428070310872 is an apocalyptic number.

It is an amenable number.

428070310872 is an abundant number, since it is smaller than the sum of its proper divisors (642105466368).

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

428070310872 is a wasteful number, since it uses less digits than its factorization.

428070310872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17836262962 (or 17836262958 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 428070310872 in words is "four hundred twenty-eight billion, seventy million, three hundred ten thousand, eight hundred seventy-two".