1871272169340 has 96 divisors (see below), whose sum is σ = 6086236122624. Its totient is φ = 420707554560.

The previous prime is 1871272169323. The next prime is 1871272169353. The reversal of 1871272169340 is 439612721781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36494134 + ... + 36545373.

It is an arithmetic number, because the mean of its divisors is an integer number (63398292944).

Almost surely, 2^{1871272169340} is an apocalyptic number.

1871272169340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1871272169340 is an abundant number, since it is smaller than the sum of its proper divisors (4214963953284).

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

1871272169340 is a wasteful number, since it uses less digits than its factorization.

1871272169340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73039587 (or 73039585 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 1871272169340 in words is "one trillion, eight hundred seventy-one billion, two hundred seventy-two million, one hundred sixty-nine thousand, three hundred forty".