340215552 has 126 divisors (see below), whose sum is σ = 1018745952. Its totient is φ = 113342976.

The previous prime is 340215529. The next prime is 340215587. The reversal of 340215552 is 255512043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 185713 + ... + 187535.

Almost surely, 2^340215552 is an apocalyptic number.

340215552 is a gapful number since it is divisible by the number (32) 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 340215552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509372976).

340215552 is an abundant number, since it is smaller than the sum of its proper divisors (678530400).

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

340215552 is an frugal number, since it uses more digits than its factorization.

340215552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 340215552 is about 18444.9329627407. The cubic root of 340215552 is about 698.1006688355.

Adding to 340215552 its reverse (255512043), we get a palindrome (595727595).

The spelling of 340215552 in words is "three hundred forty million, two hundred fifteen thousand, five hundred fifty-two".