5149169040 has 40 divisors (see below), whose sum is σ = 15962424768. Its totient is φ = 1373111680.

The previous prime is 5149169033. The next prime is 5149169041. The reversal of 5149169040 is 409619415.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 5149169040.

It is not an unprimeable number, because it can be changed into a prime (5149169041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10727196 + ... + 10727675.

Almost surely, 2^5149169040 is an apocalyptic number.

It is an amenable number.

5149169040 is an abundant number, since it is smaller than the sum of its proper divisors (10813255728).

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

5149169040 is a wasteful number, since it uses less digits than its factorization.

5149169040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21454887 (or 21454881 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 5149169040 is about 71757.7106658232. The cubic root of 5149169040 is about 1726.8146180589.

The spelling of 5149169040 in words is "five billion, one hundred forty-nine million, one hundred sixty-nine thousand, forty".