3440650040 has 96 divisors (see below), whose sum is σ = 8258453280. Its totient is φ = 1287652608.

The previous prime is 3440650033. The next prime is 3440650049. The reversal of 3440650040 is 400560443.

3440650040 = 8533² + 8534² + ... + 8579².

It is a junction number, because it is equal to n+sod(n) for n = 3440649991 and 3440650009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440650049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2031434 + ... + 2033126.

It is an arithmetic number, because the mean of its divisors is an integer number (86025555).

Almost surely, 2^3440650040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3440650040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4129226640).

3440650040 is an abundant number, since it is smaller than the sum of its proper divisors (4817803240).

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

3440650040 is a wasteful number, since it uses less digits than its factorization.

3440650040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3440650040 is about 58657.0544777011. The cubic root of 3440650040 is about 1509.6635421289.

The spelling of 3440650040 in words is "three billion, four hundred forty million, six hundred fifty thousand, forty".