2667274240 has 56 divisors (see below), whose sum is σ = 6401165760. Its totient is φ = 1066893312.

The previous prime is 2667274231. The next prime is 2667274249. The reversal of 2667274240 is 424727662.

It is an interprime number because it is at equal distance from previous prime (2667274231) and next prime (2667274249).

It is a super-2 number, since 2×2667274240² = 14228703742735155200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2667274193 and 2667274202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667274249) 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, 8401 + ... + 73519.

Almost surely, 2^2667274240 is an apocalyptic number.

2667274240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2667274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200582880).

2667274240 is an abundant number, since it is smaller than the sum of its proper divisors (3733891520).

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

2667274240 is an frugal number, since it uses more digits than its factorization.

2667274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65150 (or 65126 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 2667274240 is about 51645.6604178899. The cubic root of 2667274240 is about 1386.8278576590.

The spelling of 2667274240 in words is "two billion, six hundred sixty-seven million, two hundred seventy-four thousand, two hundred forty".