7540880458 has 4 divisors (see below), whose sum is σ = 11311320690. Its totient is φ = 3770440228.

The previous prime is 7540880449. The next prime is 7540880467. The reversal of 7540880458 is 8540880457.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7540880449) and next prime (7540880467).

It can be written as a sum of positive squares in only one way, i.e., 7538233329 + 2647129 = 86823^2 + 1627^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1885220113 + ... + 1885220116.

Almost surely, 2^7540880458 is an apocalyptic number.

7540880458 is a deficient number, since it is larger than the sum of its proper divisors (3770440232).

7540880458 is a wasteful number, since it uses less digits than its factorization.

7540880458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770440231.

The product of its (nonzero) digits is 1433600, while the sum is 49.

The square root of 7540880458 is about 86838.2430614531. The cubic root of 7540880458 is about 1960.9838578845.

Subtracting 7540880458 from its reverse (8540880457), we obtain a palindrome (999999999).

The spelling of 7540880458 in words is "seven billion, five hundred forty million, eight hundred eighty thousand, four hundred fifty-eight".