340454156 has 36 divisors (see below), whose sum is σ = 695102688. Its totient is φ = 145480608.

The previous prime is 340454137. The next prime is 340454161. The reversal of 340454156 is 651454043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69566 + ... + 74298.

It is an arithmetic number, because the mean of its divisors is an integer number (19308408).

Almost surely, 2^340454156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340454156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347551344).

340454156 is an abundant number, since it is smaller than the sum of its proper divisors (354648532).

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

340454156 is a wasteful number, since it uses less digits than its factorization.

340454156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118 (or 5109 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 340454156 is about 18451.3998384946. The cubic root of 340454156 is about 698.2638307740.

The spelling of 340454156 in words is "three hundred forty million, four hundred fifty-four thousand, one hundred fifty-six".