40971242 has 8 divisors (see below), whose sum is σ = 66184356. Its totient is φ = 18909792.

The previous prime is 40971233. The next prime is 40971251. The reversal of 40971242 is 24217904.

It is an interprime number because it is at equal distance from previous prime (40971233) and next prime (40971251).

It can be written as a sum of positive squares in 2 ways, for example, as 40436881 + 534361 = 6359^2 + 731^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787883 + ... + 787934.

Almost surely, 2^40971242 is an apocalyptic number.

40971242 is a deficient number, since it is larger than the sum of its proper divisors (25213114).

40971242 is a wasteful number, since it uses less digits than its factorization.

40971242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575832.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40971242 is about 6400.8782209944. The cubic root of 40971242 is about 344.7410841802.

The spelling of 40971242 in words is "forty million, nine hundred seventy-one thousand, two hundred forty-two".