267391000045 has 32 divisors (see below), whose sum is σ = 355061800800. Its totient is φ = 192028631040.

The previous prime is 267391000021. The next prime is 267391000049. The reversal of 267391000045 is 540000193762.

It can be written as a sum of positive squares in 16 ways, for example, as 53941456009 + 213449544036 = 232253^2 + 462006^2 .

It is not a de Polignac number, because 267391000045 - 2¹¹ = 267390997997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 267390999968 and 267391000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (267391000049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5171481 + ... + 5222929.

It is an arithmetic number, because the mean of its divisors is an integer number (11095681275).

Almost surely, 2^267391000045 is an apocalyptic number.

It is an amenable number.

267391000045 is a deficient number, since it is larger than the sum of its proper divisors (87670800755).

267391000045 is a wasteful number, since it uses less digits than its factorization.

267391000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53665.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 267391000045 in words is "two hundred sixty-seven billion, three hundred ninety-one million, forty-five", and thus it is an aban number.