3444564540 has 48 divisors (see below), whose sum is σ = 9648293760. Its totient is φ = 918216000.

The previous prime is 3444564533. The next prime is 3444564547. The reversal of 3444564540 is 454654443.

It is an interprime number because it is at equal distance from previous prime (3444564533) and next prime (3444564547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444564547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186231 + ... + 203889.

It is an arithmetic number, because the mean of its divisors is an integer number (201006120).

Almost surely, 2^3444564540 is an apocalyptic number.

3444564540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3444564540 is an abundant number, since it is smaller than the sum of its proper divisors (6203729220).

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

3444564540 is a wasteful number, since it uses less digits than its factorization.

3444564540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20922 (or 20920 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

The square root of 3444564540 is about 58690.4126753254. The cubic root of 3444564540 is about 1510.2358504749.

The spelling of 3444564540 in words is "three billion, four hundred forty-four million, five hundred sixty-four thousand, five hundred forty".