340801155 has 16 divisors (see below), whose sum is σ = 605868960. Its totient is φ = 181760544.

The previous prime is 340801151. The next prime is 340801163. The reversal of 340801155 is 551108043.

It is not a de Polignac number, because 340801155 - 2² = 340801151 is a prime.

It is a super-2 number, since 2×340801155² = 232290854498668050, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (340801151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262092 + ... + 1262361.

It is an arithmetic number, because the mean of its divisors is an integer number (37866810).

Almost surely, 2^340801155 is an apocalyptic number.

340801155 is a deficient number, since it is larger than the sum of its proper divisors (265067805).

340801155 is a wasteful number, since it uses less digits than its factorization.

340801155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524467 (or 2524461 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 340801155 is about 18460.8004972699. The cubic root of 340801155 is about 698.5009792761.

Adding to 340801155 its reverse (551108043), we get a palindrome (891909198).

The spelling of 340801155 in words is "three hundred forty million, eight hundred one thousand, one hundred fifty-five".