40562461 has 4 divisors (see below), whose sum is σ = 40635072. Its totient is φ = 40489852.

The previous prime is 40562449. The next prime is 40562491. The reversal of 40562461 is 16426504.

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 40562461 - 2¹¹ = 40560413 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 (40562491) 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, 35461 + ... + 36586.

It is an arithmetic number, because the mean of its divisors is an integer number (10158768).

Almost surely, 2^40562461 is an apocalyptic number.

It is an amenable number.

40562461 is a deficient number, since it is larger than the sum of its proper divisors (72611).

40562461 is an equidigital number, since it uses as much as digits as its factorization.

40562461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72610.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40562461 is about 6368.8665396599. The cubic root of 40562461 is about 343.5907252867.

Adding to 40562461 its reverse (16426504), we get a palindrome (56988965).

The spelling of 40562461 in words is "forty million, five hundred sixty-two thousand, four hundred sixty-one".