461440265 has 32 divisors (see below), whose sum is σ = 688818816. Its totient is φ = 291548160.

The previous prime is 461440261. The next prime is 461440277. The reversal of 461440265 is 562044164.

It is not a de Polignac number, because 461440265 - 2² = 461440261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461440261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6827 + ... + 31136.

It is an arithmetic number, because the mean of its divisors is an integer number (21525588).

Almost surely, 2^461440265 is an apocalyptic number.

It is an amenable number.

461440265 is a deficient number, since it is larger than the sum of its proper divisors (227378551).

461440265 is a wasteful number, since it uses less digits than its factorization.

461440265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38009.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 461440265 is about 21481.1606995525. The cubic root of 461440265 is about 772.7490788499.

The spelling of 461440265 in words is "four hundred sixty-one million, four hundred forty thousand, two hundred sixty-five".