2667269864 has 16 divisors (see below), whose sum is σ = 5715578400. Its totient is φ = 1143115632.

The previous prime is 2667269861. The next prime is 2667269873. The reversal of 2667269864 is 4689627662.

It is a happy number.

It is a super-2 number, since 2×2667269864² = 14228657054805156992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 47629819 = 2667269864 / (2 + 6 + 6 + 7 + 2 + 6 + 9 + 8 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (2667269861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23814854 + ... + 23814965.

It is an arithmetic number, because the mean of its divisors is an integer number (357223650).

Almost surely, 2^2667269864 is an apocalyptic number.

It is an amenable number.

2667269864 is an abundant number, since it is smaller than the sum of its proper divisors (3048308536).

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

2667269864 is a wasteful number, since it uses less digits than its factorization.

2667269864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47629832 (or 47629828 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The square root of 2667269864 is about 51645.6180522607. The cubic root of 2667269864 is about 1386.8270992365.

The spelling of 2667269864 in words is "two billion, six hundred sixty-seven million, two hundred sixty-nine thousand, eight hundred sixty-four".