340279641 has 72 divisors (see below), whose sum is σ = 567305856. Its totient is φ = 196035840.

The previous prime is 340279637. The next prime is 340279669. The reversal of 340279641 is 146972043.

340279641 is a `hidden beast` number, since 3 + 4 + 0 + 2 + 7 + 9 + 641 = 666.

It is not a de Polignac number, because 340279641 - 2² = 340279637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340279596 and 340279605.

It is not an unprimeable number, because it can be changed into a prime (340279601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2483725 + ... + 2483861.

It is an arithmetic number, because the mean of its divisors is an integer number (7879248).

Almost surely, 2^340279641 is an apocalyptic number.

It is an amenable number.

340279641 is a deficient number, since it is larger than the sum of its proper divisors (227026215).

340279641 is a wasteful number, since it uses less digits than its factorization.

340279641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 340279641 is about 18446.6701873265. The cubic root of 340279641 is about 698.1445016001.

The spelling of 340279641 in words is "three hundred forty million, two hundred seventy-nine thousand, six hundred forty-one".