1690140276750 has 32 divisors (see below), whose sum is σ = 4218590132640. Its totient is φ = 450704073600.

The previous prime is 1690140276679. The next prime is 1690140276751. The reversal of 1690140276750 is 576720410961.

It is a self number, because there is not a number n which added to its sum of digits gives 1690140276750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690140276751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126759435 + ... + 1126760934.

It is an arithmetic number, because the mean of its divisors is an integer number (131830941645).

Almost surely, 2^{1690140276750} is an apocalyptic number.

1690140276750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1690140276750 is an abundant number, since it is smaller than the sum of its proper divisors (2528449855890).

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

1690140276750 is a wasteful number, since it uses less digits than its factorization.

1690140276750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253520389 (or 2253520379 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 1690140276750 in words is "one trillion, six hundred ninety billion, one hundred forty million, two hundred seventy-six thousand, seven hundred fifty".