340280152 has 8 divisors (see below), whose sum is σ = 638025300. Its totient is φ = 170140072.

The previous prime is 340280137. The next prime is 340280159. The reversal of 340280152 is 251082043.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340280159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21267502 + ... + 21267517.

Almost surely, 2^340280152 is an apocalyptic number.

It is an amenable number.

340280152 is a deficient number, since it is larger than the sum of its proper divisors (297745148).

340280152 is a wasteful number, since it uses less digits than its factorization.

340280152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42535025 (or 42535021 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 340280152 is about 18446.6840380595. The cubic root of 340280152 is about 698.1448510692.

The spelling of 340280152 in words is "three hundred forty million, two hundred eighty thousand, one hundred fifty-two".