1118528408 has 8 divisors (see below), whose sum is σ = 2097240780. Its totient is φ = 559264200.

The previous prime is 1118528407. The next prime is 1118528441. The reversal of 1118528408 is 8048258111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1118528408² = 2502211599006028928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118528401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69908018 + ... + 69908033.

Almost surely, 2^1118528408 is an apocalyptic number.

It is an amenable number.

1118528408 is a deficient number, since it is larger than the sum of its proper divisors (978712372).

1118528408 is a wasteful number, since it uses less digits than its factorization.

1118528408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139816057 (or 139816053 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 38.

The square root of 1118528408 is about 33444.4077238632. The cubic root of 1118528408 is about 1038.0437857342.

It can be divided in two parts, 11185 and 28408, that added together give a palindrome (39593).

The spelling of 1118528408 in words is "one billion, one hundred eighteen million, five hundred twenty-eight thousand, four hundred eight".