1695540172340 has 36 divisors (see below), whose sum is σ = 4141962423396. Its totient is φ = 581328058752.

The previous prime is 1695540172283. The next prime is 1695540172351. The reversal of 1695540172340 is 432710455961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 887371536016 + 808168636324 = 942004^2 + 898982^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865070537 + ... + 865072496.

It is an arithmetic number, because the mean of its divisors is an integer number (115054511761).

Almost surely, 2^{1695540172340} is an apocalyptic number.

1695540172340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1695540172340 is an abundant number, since it is smaller than the sum of its proper divisors (2446422251056).

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

1695540172340 is a wasteful number, since it uses less digits than its factorization.

1695540172340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730143056 (or 1730143047 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 1695540172340 in words is "one trillion, six hundred ninety-five billion, five hundred forty million, one hundred seventy-two thousand, three hundred forty".