2626867440 has 60 divisors (see below), whose sum is σ = 8821898904. Its totient is φ = 700497792.

The previous prime is 2626867433. The next prime is 2626867447. The reversal of 2626867440 is 447686262.

It is an interprime number because it is at equal distance from previous prime (2626867433) and next prime (2626867447).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2626867447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1823494 + ... + 1824933.

Almost surely, 2^2626867440 is an apocalyptic number.

2626867440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2626867440 is an abundant number, since it is smaller than the sum of its proper divisors (6195031464).

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

2626867440 is a wasteful number, since it uses less digits than its factorization.

2626867440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648446 (or 3648437 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 2626867440 is about 51252.9749380463. The cubic root of 2626867440 is about 1379.7891297205.

The spelling of 2626867440 in words is "two billion, six hundred twenty-six million, eight hundred sixty-seven thousand, four hundred forty".