70428405051008 has 64 divisors (see below), whose sum is σ = 144104230033920. Its totient is φ = 34261142492160.

The previous prime is 70428405050987. The next prime is 70428405051013. The reversal of 70428405051008 is 80015050482407.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70428405051008.

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, 128275313 + ... + 128823183.

It is an arithmetic number, because the mean of its divisors is an integer number (2251628594280).

Almost surely, 2^{70428405051008} is an apocalyptic number.

It is an amenable number.

70428405051008 is an abundant number, since it is smaller than the sum of its proper divisors (73675824982912).

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

70428405051008 is a wasteful number, since it uses less digits than its factorization.

70428405051008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575065 (or 575053 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 70428405051008 in words is "seventy trillion, four hundred twenty-eight billion, four hundred five million, fifty-one thousand, eight".