40260621 has 8 divisors (see below), whose sum is σ = 54437184. Its totient is φ = 26462240.

The previous prime is 40260611. The next prime is 40260629. The reversal of 40260621 is 12606204.

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 40260621 - 2⁵ = 40260589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40260629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94296 + ... + 94721.

It is an arithmetic number, because the mean of its divisors is an integer number (6804648).

Almost surely, 2^40260621 is an apocalyptic number.

It is an amenable number.

40260621 is a deficient number, since it is larger than the sum of its proper divisors (14176563).

40260621 is a wasteful number, since it uses less digits than its factorization.

40260621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189091.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40260621 is about 6345.1257670751. The cubic root of 40260621 is about 342.7363413955.

Adding to 40260621 its reverse (12606204), we get a palindrome (52866825).

The spelling of 40260621 in words is "forty million, two hundred sixty thousand, six hundred twenty-one".