40024961 has 8 divisors (see below), whose sum is σ = 40468224. Its totient is φ = 39584160.

The previous prime is 40024921. The next prime is 40024969. The reversal of 40024961 is 16942004.

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

It is a cyclic number.

It is not a de Polignac number, because 40024961 - 2¹⁸ = 39762817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40024961.

It is not an unprimeable number, because it can be changed into a prime (40024969) 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, 63116 + ... + 63746.

It is an arithmetic number, because the mean of its divisors is an integer number (5058528).

Almost surely, 2^40024961 is an apocalyptic number.

It is an amenable number.

40024961 is a deficient number, since it is larger than the sum of its proper divisors (443263).

40024961 is a wasteful number, since it uses less digits than its factorization.

40024961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40024961 is about 6326.5283528962. The cubic root of 40024961 is about 342.0663123925.

Adding to 40024961 its reverse (16942004), we get a palindrome (56966965).

The spelling of 40024961 in words is "forty million, twenty-four thousand, nine hundred sixty-one".