1970089264640 has 400 divisors, whose sum is σ = 5541911469072. Its totient is φ = 671617400832.

The previous prime is 1970089264607. The next prime is 1970089264657. The reversal of 1970089264640 is 464629800791.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1210871507 + ... + 1210873133.

Almost surely, 2^{1970089264640} is an apocalyptic number.

1970089264640 is a gapful number since it is divisible by the number (10) 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 1970089264640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2770955734536).

1970089264640 is an abundant number, since it is smaller than the sum of its proper divisors (3571822204432).

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

1970089264640 is an frugal number, since it uses more digits than its factorization.

1970089264640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 1970089264640 in words is "one trillion, nine hundred seventy billion, eighty-nine million, two hundred sixty-four thousand, six hundred forty".