2544267690 has 48 divisors (see below), whose sum is σ = 6619860000. Its totient is φ = 677982816.

The previous prime is 2544267683. The next prime is 2544267757. The reversal of 2544267690 is 967624452.

It is a super-2 number, since 2×2544267690² = 12946596156755872200, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125481 + ... + 144339.

It is an arithmetic number, because the mean of its divisors is an integer number (137913750).

Almost surely, 2^2544267690 is an apocalyptic number.

2544267690 is an abundant number, since it is smaller than the sum of its proper divisors (4075592310).

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

2544267690 is a wasteful number, since it uses less digits than its factorization.

2544267690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20371 (or 20368 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 2544267690 is about 50440.7344316080. The cubic root of 2544267690 is about 1365.1727189566.

The spelling of 2544267690 in words is "two billion, five hundred forty-four million, two hundred sixty-seven thousand, six hundred ninety".