5540489136 has 480 divisors, whose sum is σ = 20590682112. Its totient is φ = 1350328320.

The previous prime is 5540489117. The next prime is 5540489147. The reversal of 5540489136 is 6319840455.

5540489136 is a `hidden beast` number, since 554 + 0 + 4 + 8 + 91 + 3 + 6 = 666.

It is a super-2 number, since 2×5540489136² = 61394039732268052992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5540489091 and 5540489100.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9342856 + ... + 9343448.

Almost surely, 2^5540489136 is an apocalyptic number.

5540489136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5540489136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10295341056).

5540489136 is an abundant number, since it is smaller than the sum of its proper divisors (15050192976).

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

5540489136 is a wasteful number, since it uses less digits than its factorization.

5540489136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 5540489136 is about 74434.4620186107. The cubic root of 5540489136 is about 1769.4951198132.

The spelling of 5540489136 in words is "five billion, five hundred forty million, four hundred eighty-nine thousand, one hundred thirty-six".