340622978644 has 12 divisors (see below), whose sum is σ = 641943306004. Its totient is φ = 157210605504.

The previous prime is 340622978623. The next prime is 340622978653. The reversal of 340622978644 is 446879226043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47550163600 + 293072815044 = 218060^2 + 541362^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275220897 + ... + 3275221000.

Almost surely, 2^340622978644 is an apocalyptic number.

It is an amenable number.

340622978644 is a deficient number, since it is larger than the sum of its proper divisors (301320327360).

340622978644 is a wasteful number, since it uses less digits than its factorization.

340622978644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550441914 (or 6550441912 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 340622978644 in words is "three hundred forty billion, six hundred twenty-two million, nine hundred seventy-eight thousand, six hundred forty-four".