5440506786 has 72 divisors (see below), whose sum is σ = 13953548700. Its totient is φ = 1521812160.

The previous prime is 5440506707. The next prime is 5440506823. The reversal of 5440506786 is 6876050445.

It can be written as a sum of positive squares in 2 ways, for example, as 4917515625 + 522991161 = 70125^2 + 22869^2 .

It is a super-2 number, since 2×5440506786² = 59198228177024099592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67761 + ... + 124388.

Almost surely, 2^5440506786 is an apocalyptic number.

5440506786 is an abundant number, since it is smaller than the sum of its proper divisors (8513041914).

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

5440506786 is a wasteful number, since it uses less digits than its factorization.

5440506786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192192 (or 192178 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5440506786 is about 73759.7911195524. The cubic root of 5440506786 is about 1758.7864811802.

The spelling of 5440506786 in words is "five billion, four hundred forty million, five hundred six thousand, seven hundred eighty-six".