40971451 has 8 divisors (see below), whose sum is σ = 41992704. Its totient is φ = 39956520.

The previous prime is 40971433. The next prime is 40971481. The reversal of 40971451 is 15417904.

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 40971451 - 2¹⁵ = 40938683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40971401) 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, 13216 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (5249088).

Almost surely, 2^40971451 is an apocalyptic number.

40971451 is a deficient number, since it is larger than the sum of its proper divisors (1021253).

40971451 is a wasteful number, since it uses less digits than its factorization.

40971451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 40971451 is about 6400.8945468583. The cubic root of 40971451 is about 344.7416703699.

The spelling of 40971451 in words is "forty million, nine hundred seventy-one thousand, four hundred fifty-one".