40410643 has 12 divisors (see below), whose sum is σ = 50625120. Its totient is φ = 31972752.

The previous prime is 40410619. The next prime is 40410673. The reversal of 40410643 is 34601404.

It is a happy number.

It is not a de Polignac number, because 40410643 - 2²¹ = 38313491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40410673) 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, 31083 + ... + 32356.

It is an arithmetic number, because the mean of its divisors is an integer number (4218760).

Almost surely, 2^40410643 is an apocalyptic number.

40410643 is a deficient number, since it is larger than the sum of its proper divisors (10214477).

40410643 is a wasteful number, since it uses less digits than its factorization.

40410643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63466 (or 63459 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40410643 is about 6356.9366050009. The cubic root of 40410643 is about 343.1615232582.

The spelling of 40410643 in words is "forty million, four hundred ten thousand, six hundred forty-three".