840267055 has 16 divisors (see below), whose sum is σ = 1019503584. Its totient is φ = 664800640.

The previous prime is 840267053. The next prime is 840267061. The reversal of 840267055 is 550762048.

It is a happy number.

It is not a de Polignac number, because 840267055 - 2¹ = 840267053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840267053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167940 + ... + 172870.

It is an arithmetic number, because the mean of its divisors is an integer number (63718974).

Almost surely, 2^840267055 is an apocalyptic number.

840267055 is a deficient number, since it is larger than the sum of its proper divisors (179236529).

840267055 is a wasteful number, since it uses less digits than its factorization.

840267055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 840267055 is about 28987.3602627076. The cubic root of 840267055 is about 943.6387762438.

It can be divided in two parts, 8402 and 67055, that added together give a palindrome (75457).

The spelling of 840267055 in words is "eight hundred forty million, two hundred sixty-seven thousand, fifty-five".