340940550 has 48 divisors (see below), whose sum is σ = 865212480. Its totient is φ = 88801440.

The previous prime is 340940513. The next prime is 340940581. The reversal of 340940550 is 55049043.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19980 + ... + 32879.

It is an arithmetic number, because the mean of its divisors is an integer number (18025260).

Almost surely, 2^340940550 is an apocalyptic number.

340940550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340940550 is an abundant number, since it is smaller than the sum of its proper divisors (524271930).

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

340940550 is a wasteful number, since it uses less digits than its factorization.

340940550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52917 (or 52912 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 340940550 is about 18464.5755434562. The cubic root of 340940550 is about 698.5962002678.

Adding to 340940550 its reverse (55049043), we get a palindrome (395989593).

The spelling of 340940550 in words is "three hundred forty million, nine hundred forty thousand, five hundred fifty".