4140407261 has 8 divisors (see below), whose sum is σ = 4323366144. Its totient is φ = 3957693520.

The previous prime is 4140407251. The next prime is 4140407291. The reversal of 4140407261 is 1627040414.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4140407261 - 2⁶ = 4140407197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140407251) 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, 26330 + ... + 94731.

It is an arithmetic number, because the mean of its divisors is an integer number (540420768).

Almost surely, 2^4140407261 is an apocalyptic number.

It is an amenable number.

4140407261 is a deficient number, since it is larger than the sum of its proper divisors (182958883).

4140407261 is a wasteful number, since it uses less digits than its factorization.

4140407261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122571.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 4140407261 is about 64345.9964644266. The cubic root of 4140407261 is about 1605.7614242849.

Adding to 4140407261 its reverse (1627040414), we get a palindrome (5767447675).

The spelling of 4140407261 in words is "four billion, one hundred forty million, four hundred seven thousand, two hundred sixty-one".