4135440 has 40 divisors (see below), whose sum is σ = 12820608. Its totient is φ = 1102720.

The previous prime is 4135427. The next prime is 4135447. The reversal of 4135440 is 445314.

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

It is not an unprimeable number, because it can be changed into a prime (4135447) 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, 8376 + ... + 8855.

Almost surely, 2^4135440 is an apocalyptic number.

4135440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4135440 is an abundant number, since it is smaller than the sum of its proper divisors (8685168).

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

4135440 is a wasteful number, since it uses less digits than its factorization.

4135440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17247 (or 17241 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4135440 is about 2033.5781273411. The cubic root of 4135440 is about 160.5119021462.

The spelling of 4135440 in words is "four million, one hundred thirty-five thousand, four hundred forty".