40040461 has 8 divisors (see below), whose sum is σ = 40956704. Its totient is φ = 39132720.

The previous prime is 40040411. The next prime is 40040471. The reversal of 40040461 is 16404004.

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

It is not a de Polignac number, because 40040461 - 2⁹ = 40039949 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 (40040411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7930 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (5119588).

Almost surely, 2^40040461 is an apocalyptic number.

It is an amenable number.

40040461 is a deficient number, since it is larger than the sum of its proper divisors (916243).

40040461 is a wasteful number, since it uses less digits than its factorization.

40040461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40040461 is about 6327.7532347588. The cubic root of 40040461 is about 342.1104627047.

Adding to 40040461 its reverse (16404004), we get a palindrome (56444465).

The spelling of 40040461 in words is "forty million, forty thousand, four hundred sixty-one".