3490447490172 has 36 divisors (see below), whose sum is σ = 8823392179056. Its totient is φ = 1163440750080.

The previous prime is 3490447490143. The next prime is 3490447490249. The reversal of 3490447490172 is 2710947440943.

It is a happy number.

3490447490172 is a `hidden beast` number, since 3 + 4 + 90 + 447 + 49 + 0 + 1 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 713904 + ... + 2736887.

It is an arithmetic number, because the mean of its divisors is an integer number (245094227196).

Almost surely, 2^{3490447490172} is an apocalyptic number.

It is an amenable number.

3490447490172 is an abundant number, since it is smaller than the sum of its proper divisors (5332944688884).

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

3490447490172 is a wasteful number, since it uses less digits than its factorization.

3490447490172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478898 (or 3478893 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 3490447490172 in words is "three trillion, four hundred ninety billion, four hundred forty-seven million, four hundred ninety thousand, one hundred seventy-two".