340529940 has 96 divisors (see below), whose sum is σ = 1067391360. Its totient is φ = 90125568.

The previous prime is 340529939. The next prime is 340529953. The reversal of 340529940 is 49925043.

340529940 is a `hidden beast` number, since 3 + 40 + 529 + 94 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 340529895 and 340529904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71679 + ... + 76281.

It is an arithmetic number, because the mean of its divisors is an integer number (11118660).

Almost surely, 2^340529940 is an apocalyptic number.

340529940 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 340529940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533695680).

340529940 is an abundant number, since it is smaller than the sum of its proper divisors (726861420).

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

340529940 is a wasteful number, since it uses less digits than its factorization.

340529940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 340529940 is about 18453.4533353516. The cubic root of 340529940 is about 698.3156373578.

The spelling of 340529940 in words is "three hundred forty million, five hundred twenty-nine thousand, nine hundred forty".