70450128000 has 512 divisors, whose sum is σ = 296574220800. Its totient is φ = 16102195200.

The previous prime is 70450127983. The next prime is 70450128029. The reversal of 70450128000 is 82105407.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3012352 + ... + 3035648.

It is an arithmetic number, because the mean of its divisors is an integer number (579246525).

Almost surely, 2^70450128000 is an apocalyptic number.

70450128000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70450128000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148287110400).

70450128000 is an abundant number, since it is smaller than the sum of its proper divisors (226124092800).

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

70450128000 is a wasteful number, since it uses less digits than its factorization.

70450128000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342 (or 23314 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 70450128000 in words is "seventy billion, four hundred fifty million, one hundred twenty-eight thousand".