40494461 has 4 divisors (see below), whose sum is σ = 46279392. Its totient is φ = 34709532.

The previous prime is 40494451. The next prime is 40494479. The reversal of 40494461 is 16449404.

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 40494461 - 2¹⁸ = 40232317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40494431) 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, 2892455 + ... + 2892468.

It is an arithmetic number, because the mean of its divisors is an integer number (11569848).

Almost surely, 2^40494461 is an apocalyptic number.

It is an amenable number.

40494461 is a deficient number, since it is larger than the sum of its proper divisors (5784931).

40494461 is an equidigital number, since it uses as much as digits as its factorization.

40494461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784930.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40494461 is about 6363.5258308582. The cubic root of 40494461 is about 343.3986163184.

The spelling of 40494461 in words is "forty million, four hundred ninety-four thousand, four hundred sixty-one".