340445639772 has 108 divisors (see below), whose sum is σ = 1016259889008. Its totient is φ = 94132368000.

The previous prime is 340445639747. The next prime is 340445639813. The reversal of 340445639772 is 277936544043.

It is a happy number.

340445639772 is a `hidden beast` number, since 3 + 4 + 0 + 4 + 4 + 563 + 9 + 7 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 460729 + ... + 945072.

Almost surely, 2^340445639772 is an apocalyptic number.

It is an amenable number.

340445639772 is an abundant number, since it is smaller than the sum of its proper divisors (675814249236).

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

340445639772 is a wasteful number, since it uses less digits than its factorization.

340445639772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405880 (or 1405844 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 340445639772 in words is "three hundred forty billion, four hundred forty-five million, six hundred thirty-nine thousand, seven hundred seventy-two".