40921371 has 12 divisors (see below), whose sum is σ = 60706672. Its totient is φ = 26543376.

The previous prime is 40921367. The next prime is 40921373. The reversal of 40921371 is 17312904.

It is not a de Polignac number, because 40921371 - 2² = 40921367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40921373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61111 + ... + 61776.

Almost surely, 2^40921371 is an apocalyptic number.

40921371 is a deficient number, since it is larger than the sum of its proper divisors (19785301).

40921371 is a wasteful number, since it uses less digits than its factorization.

40921371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122930 (or 122927 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 40921371 is about 6396.9813975030. The cubic root of 40921371 is about 344.6011521839.

The spelling of 40921371 in words is "forty million, nine hundred twenty-one thousand, three hundred seventy-one".