40207461 has 8 divisors (see below), whose sum is σ = 61268544. Its totient is φ = 22975680.

The previous prime is 40207423. The next prime is 40207469. The reversal of 40207461 is 16470204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40207461 - 2¹⁷ = 40076389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40207469) 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, 957300 + ... + 957341.

It is an arithmetic number, because the mean of its divisors is an integer number (7658568).

Almost surely, 2^40207461 is an apocalyptic number.

It is an amenable number.

40207461 is a deficient number, since it is larger than the sum of its proper divisors (21061083).

40207461 is a wasteful number, since it uses less digits than its factorization.

40207461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914651.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 40207461 is about 6340.9353410991. The cubic root of 40207461 is about 342.5854256164.

Adding to 40207461 its reverse (16470204), we get a palindrome (56677665).

The spelling of 40207461 in words is "forty million, two hundred seven thousand, four hundred sixty-one".