4401215261 has 4 divisors (see below), whose sum is σ = 4410253152. Its totient is φ = 4392177372.

The previous prime is 4401215257. The next prime is 4401215263. The reversal of 4401215261 is 1625121044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4401215261 - 2² = 4401215257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4401215261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401215263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4518215 + ... + 4519188.

It is an arithmetic number, because the mean of its divisors is an integer number (1102563288).

Almost surely, 2^4401215261 is an apocalyptic number.

It is an amenable number.

4401215261 is a deficient number, since it is larger than the sum of its proper divisors (9037891).

4401215261 is an equidigital number, since it uses as much as digits as its factorization.

4401215261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037890.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4401215261 is about 66341.6555491344. The cubic root of 4401215261 is about 1638.7933893123.

The spelling of 4401215261 in words is "four billion, four hundred one million, two hundred fifteen thousand, two hundred sixty-one".