340155072 has 112 divisors (see below), whose sum is σ = 1010412000. Its totient is φ = 112204800.

The previous prime is 340155037. The next prime is 340155103. The reversal of 340155072 is 270551043.

It is a happy number.

340155072 is a `hidden beast` number, since 3 + 40 + 1 + 550 + 72 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173554 + ... + 175502.

Almost surely, 2^340155072 is an apocalyptic number.

340155072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340155072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505206000).

340155072 is an abundant number, since it is smaller than the sum of its proper divisors (670256928).

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

340155072 is a wasteful number, since it uses less digits than its factorization.

340155072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 340155072 is about 18443.2934152228. The cubic root of 340155072 is about 698.0592993465.

The spelling of 340155072 in words is "three hundred forty million, one hundred fifty-five thousand, seventy-two".