7563538480 has 20 divisors (see below), whose sum is σ = 17585227152. Its totient is φ = 3025415360.

The previous prime is 7563538471. The next prime is 7563538511. The reversal of 7563538480 is 848353657.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×7563538480² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47272036 + ... + 47272195.

Almost surely, 2^7563538480 is an apocalyptic number.

It is an amenable number.

7563538480 is an abundant number, since it is smaller than the sum of its proper divisors (10021688672).

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

7563538480 is a wasteful number, since it uses less digits than its factorization.

7563538480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94544244 (or 94544238 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 7563538480 is about 86968.6062898561. The cubic root of 7563538480 is about 1962.9459447731.

The spelling of 7563538480 in words is "seven billion, five hundred sixty-three million, five hundred thirty-eight thousand, four hundred eighty".