4140025440 has 48 divisors (see below), whose sum is σ = 13041081648. Its totient is φ = 1104006656.

The previous prime is 4140025433. The next prime is 4140025441. The reversal of 4140025440 is 445200414.

It is a happy number.

4140025440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4140025440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140025441) 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, 4312047 + ... + 4313006.

It is an arithmetic number, because the mean of its divisors is an integer number (271689201).

Almost surely, 2^4140025440 is an apocalyptic number.

4140025440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4140025440 is an abundant number, since it is smaller than the sum of its proper divisors (8901056208).

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

4140025440 is a wasteful number, since it uses less digits than its factorization.

4140025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625071 (or 8625063 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4140025440 is about 64343.0294592973. The cubic root of 4140025440 is about 1605.7120626125.

Adding to 4140025440 its reverse (445200414), we get a palindrome (4585225854).

The spelling of 4140025440 in words is "four billion, one hundred forty million, twenty-five thousand, four hundred forty".