340545450 has 48 divisors (see below), whose sum is σ = 965206080. Its totient is φ = 77838720.

The previous prime is 340545427. The next prime is 340545451. The reversal of 340545450 is 54545043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (340545451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161115 + ... + 163214.

It is an arithmetic number, because the mean of its divisors is an integer number (20108460).

Almost surely, 2^340545450 is an apocalyptic number.

340545450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340545450 is an abundant number, since it is smaller than the sum of its proper divisors (624660630).

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

340545450 is a wasteful number, since it uses less digits than its factorization.

340545450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324351 (or 324346 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 340545450 is about 18453.8735771111. The cubic root of 340545450 is about 698.3262391775.

The spelling of 340545450 in words is "three hundred forty million, five hundred forty-five thousand, four hundred fifty".