867401140 has 12 divisors (see below), whose sum is σ = 1821542436. Its totient is φ = 346960448.

The previous prime is 867401137. The next prime is 867401141. The reversal of 867401140 is 41104768.

It can be written as a sum of positive squares in 2 ways, for example, as 609991204 + 257409936 = 24698^2 + 16044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867401141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21685009 + ... + 21685048.

It is an arithmetic number, because the mean of its divisors is an integer number (151795203).

Almost surely, 2^867401140 is an apocalyptic number.

It is an amenable number.

867401140 is an abundant number, since it is smaller than the sum of its proper divisors (954141296).

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

867401140 is a wasteful number, since it uses less digits than its factorization.

867401140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43370066 (or 43370064 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 867401140 is about 29451.6746552722. The cubic root of 867401140 is about 953.6887571776.

The spelling of 867401140 in words is "eight hundred sixty-seven million, four hundred one thousand, one hundred forty".