340370442 has 12 divisors (see below), whose sum is σ = 737469330. Its totient is φ = 113456808.

The previous prime is 340370431. The next prime is 340370453. The reversal of 340370442 is 244073043.

It is an interprime number because it is at equal distance from previous prime (340370431) and next prime (340370453).

It can be written as a sum of positive squares in only one way, i.e., 297873081 + 42497361 = 17259^2 + 6519^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9454717 + ... + 9454752.

Almost surely, 2^340370442 is an apocalyptic number.

340370442 is an abundant number, since it is smaller than the sum of its proper divisors (397098888).

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

340370442 is a wasteful number, since it uses less digits than its factorization.

340370442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18909477 (or 18909474 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 340370442 is about 18449.1311990565. The cubic root of 340370442 is about 698.2065942376.

The spelling of 340370442 in words is "three hundred forty million, three hundred seventy thousand, four hundred forty-two".