2540123000 has 64 divisors (see below), whose sum is σ = 6293570400. Its totient is φ = 956275200.

The previous prime is 2540122999. The next prime is 2540123011. The reversal of 2540123000 is 3210452.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2540123000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57710 + ... + 91709.

Almost surely, 2^2540123000 is an apocalyptic number.

2540123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540123000 is an abundant number, since it is smaller than the sum of its proper divisors (3753447400).

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

2540123000 is a wasteful number, since it uses less digits than its factorization.

2540123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149457 (or 149443 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2540123000 is about 50399.6329351713. The cubic root of 2540123000 is about 1364.4310133317.

Adding to 2540123000 its reverse (3210452), we get a palindrome (2543333452).

The spelling of 2540123000 in words is "two billion, five hundred forty million, one hundred twenty-three thousand".