340155420 has 96 divisors (see below), whose sum is σ = 1043159040. Its totient is φ = 82133760.

The previous prime is 340155407. The next prime is 340155427. The reversal of 340155420 is 24551043.

340155420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340155427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192501 + ... + 194259.

It is an arithmetic number, because the mean of its divisors is an integer number (10866240).

Almost surely, 2^340155420 is an apocalyptic number.

340155420 is a gapful number since it is divisible by the number (30) 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 340155420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521579520).

340155420 is an abundant number, since it is smaller than the sum of its proper divisors (703003620).

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

340155420 is a wasteful number, since it uses less digits than its factorization.

340155420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 340155420 is about 18443.3028495441. The cubic root of 340155420 is about 698.0595373992.

The spelling of 340155420 in words is "three hundred forty million, one hundred fifty-five thousand, four hundred twenty".