340452240 has 40 divisors (see below), whose sum is σ = 1055402688. Its totient is φ = 90787200.

The previous prime is 340452227. The next prime is 340452271. The reversal of 340452240 is 42254043.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 340452240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709036 + ... + 709515.

Almost surely, 2^340452240 is an apocalyptic number.

340452240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340452240 is an abundant number, since it is smaller than the sum of its proper divisors (714950448).

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

340452240 is a wasteful number, since it uses less digits than its factorization.

340452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418567 (or 1418561 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 340452240 is about 18451.3479182416. The cubic root of 340452240 is about 698.2625208806.

The spelling of 340452240 in words is "three hundred forty million, four hundred fifty-two thousand, two hundred forty".