340186143864 has 64 divisors (see below), whose sum is σ = 990299312640. Its totient is φ = 95362151040.

The previous prime is 340186143859. The next prime is 340186143881. The reversal of 340186143864 is 468341681043.

It is a super-2 number, since 2×340186143864² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19094092 + ... + 19111899.

It is an arithmetic number, because the mean of its divisors is an integer number (15473426760).

Almost surely, 2^340186143864 is an apocalyptic number.

It is an amenable number.

340186143864 is an abundant number, since it is smaller than the sum of its proper divisors (650113168776).

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

340186143864 is a wasteful number, since it uses less digits than its factorization.

340186143864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38206060 (or 38206056 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 340186143864 in words is "three hundred forty billion, one hundred eighty-six million, one hundred forty-three thousand, eight hundred sixty-four".