340882042 has 4 divisors (see below), whose sum is σ = 511323066. Its totient is φ = 170441020.

The previous prime is 340882039. The next prime is 340882067. The reversal of 340882042 is 240288043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240288043 = 1399 ⋅171757.

It can be written as a sum of positive squares in only one way, i.e., 253478241 + 87403801 = 15921^2 + 9349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340881995 and 340882013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85220509 + ... + 85220512.

Almost surely, 2^340882042 is an apocalyptic number.

340882042 is a deficient number, since it is larger than the sum of its proper divisors (170441024).

340882042 is a wasteful number, since it uses less digits than its factorization.

340882042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170441023.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 340882042 is about 18462.9911444489. The cubic root of 340882042 is about 698.5562365021.

The spelling of 340882042 in words is "three hundred forty million, eight hundred eighty-two thousand, forty-two".