1953387328080 has 40 divisors (see below), whose sum is σ = 6055500717792. Its totient is φ = 520903287424.

The previous prime is 1953387328001. The next prime is 1953387328091. The reversal of 1953387328080 is 808237833591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1953387328080.

It is a congruent number.

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, 4069556694 + ... + 4069557173.

Almost surely, 2^{1953387328080} is an apocalyptic number.

1953387328080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1953387328080 is an abundant number, since it is smaller than the sum of its proper divisors (4102113389712).

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

1953387328080 is a wasteful number, since it uses less digits than its factorization.

1953387328080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139113883 (or 8139113877 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 1953387328080 in words is "one trillion, nine hundred fifty-three billion, three hundred eighty-seven million, three hundred twenty-eight thousand, eighty".