2540451415 has 8 divisors (see below), whose sum is σ = 3054654000. Its totient is φ = 2028286272.

The previous prime is 2540451401. The next prime is 2540451421. The reversal of 2540451415 is 5141540452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540451415 - 2⁹ = 2540450903 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506614 + ... + 511603.

It is an arithmetic number, because the mean of its divisors is an integer number (381831750).

Almost surely, 2^2540451415 is an apocalyptic number.

2540451415 is a deficient number, since it is larger than the sum of its proper divisors (514202585).

2540451415 is a wasteful number, since it uses less digits than its factorization.

2540451415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018721.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 2540451415 is about 50402.8909389134. The cubic root of 2540451415 is about 1364.4898136734.

Adding to 2540451415 its reverse (5141540452), we get a palindrome (7681991867).

The spelling of 2540451415 in words is "two billion, five hundred forty million, four hundred fifty-one thousand, four hundred fifteen".