340045452 has 36 divisors (see below), whose sum is σ = 891397416. Its totient is φ = 113348160.

The previous prime is 340045427. The next prime is 340045493. The reversal of 340045452 is 254540043.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173949 + ... + 175892.

Almost surely, 2^340045452 is an apocalyptic number.

It is an amenable number.

340045452 is an abundant number, since it is smaller than the sum of its proper divisors (551351964).

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

340045452 is a wasteful number, since it uses less digits than its factorization.

340045452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349860 (or 349846 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 340045452 is about 18440.3213637941. The cubic root of 340045452 is about 697.9843046473.

Adding to 340045452 its reverse (254540043), we get a palindrome (594585495).

The spelling of 340045452 in words is "three hundred forty million, forty-five thousand, four hundred fifty-two".