343960899660 has 120 divisors (see below), whose sum is σ = 1233163562400. Its totient is φ = 78619631616.

The previous prime is 343960899643. The next prime is 343960899661. The reversal of 343960899660 is 66998069343.

343960899660 is a `hidden beast` number, since 3 + 439 + 60 + 89 + 9 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (343960899661) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15154485 + ... + 15177164.

It is an arithmetic number, because the mean of its divisors is an integer number (10276363020).

Almost surely, 2^343960899660 is an apocalyptic number.

343960899660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343960899660 is an abundant number, since it is smaller than the sum of its proper divisors (889202662740).

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

343960899660 is a wasteful number, since it uses less digits than its factorization.

343960899660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331677 (or 30331666 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 343960899660 in words is "three hundred forty-three billion, nine hundred sixty million, eight hundred ninety-nine thousand, six hundred sixty".