70444428600 has 576 divisors, whose sum is σ = 275630796000. Its totient is φ = 14751313920.

The previous prime is 70444428581. The next prime is 70444428697. The reversal of 70444428600 is 682444407.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56947182 + ... + 56948418.

Almost surely, 2^70444428600 is an apocalyptic number.

70444428600 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 70444428600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137815398000).

70444428600 is an abundant number, since it is smaller than the sum of its proper divisors (205186367400).

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

70444428600 is a wasteful number, since it uses less digits than its factorization.

70444428600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 70444428600 in words is "seventy billion, four hundred forty-four million, four hundred twenty-eight thousand, six hundred".