3449394540 has 72 divisors (see below), whose sum is σ = 10606534848. Its totient is φ = 907234560.

The previous prime is 3449394499. The next prime is 3449394541. The reversal of 3449394540 is 454939443.

3449394540 is a `hidden beast` number, since 34 + 49 + 39 + 4 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3449394541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118116 + ... + 144395.

It is an arithmetic number, because the mean of its divisors is an integer number (147312984).

Almost surely, 2^3449394540 is an apocalyptic number.

3449394540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3449394540 is an abundant number, since it is smaller than the sum of its proper divisors (7157140308).

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

3449394540 is a wasteful number, since it uses less digits than its factorization.

3449394540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262599 (or 262594 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 3449394540 is about 58731.5463784157. The cubic root of 3449394540 is about 1510.9414096521.

The spelling of 3449394540 in words is "three billion, four hundred forty-nine million, three hundred ninety-four thousand, five hundred forty".