7540815468 has 24 divisors (see below), whose sum is σ = 17674144768. Its totient is φ = 2502332496.

The previous prime is 7540815433. The next prime is 7540815473. The reversal of 7540815468 is 8645180457.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406296 + ... + 1411647.

Almost surely, 2^7540815468 is an apocalyptic number.

It is an amenable number.

7540815468 is an abundant number, since it is smaller than the sum of its proper divisors (10133329300).

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

7540815468 is a wasteful number, since it uses less digits than its factorization.

7540815468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818173 (or 2818171 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 7540815468 is about 86837.8688591561. The cubic root of 7540815468 is about 1960.9782243819.

The spelling of 7540815468 in words is "seven billion, five hundred forty million, eight hundred fifteen thousand, four hundred sixty-eight".