340620552 has 40 divisors (see below), whose sum is σ = 954054750. Its totient is φ = 113539968.

The previous prime is 340620541. The next prime is 340620589. The reversal of 340620552 is 255026043.

340620552 is a `hidden beast` number, since 3 + 406 + 205 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 328551876 + 12068676 = 18126^2 + 3474^2 .

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 9 ways as a sum of consecutive naturals, for example, 262177 + ... + 263472.

Almost surely, 2^340620552 is an apocalyptic number.

It is an amenable number.

340620552 is an abundant number, since it is smaller than the sum of its proper divisors (613434198).

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

340620552 is a wasteful number, since it uses less digits than its factorization.

340620552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525667 (or 525654 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 340620552 is about 18455.9083222691. The cubic root of 340620552 is about 698.3775703995.

Adding to 340620552 its reverse (255026043), we get a palindrome (595646595).

The spelling of 340620552 in words is "three hundred forty million, six hundred twenty thousand, five hundred fifty-two".