40935406 has 4 divisors (see below), whose sum is σ = 61403112. Its totient is φ = 20467702.

The previous prime is 40935403. The next prime is 40935413. The reversal of 40935406 is 60453904.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40935403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10233850 + ... + 10233853.

It is an arithmetic number, because the mean of its divisors is an integer number (15350778).

Almost surely, 2^40935406 is an apocalyptic number.

40935406 is the 4047-th centered pentagonal number.

40935406 is a deficient number, since it is larger than the sum of its proper divisors (20467706).

40935406 is a wasteful number, since it uses less digits than its factorization.

40935406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20467705.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40935406 is about 6398.0783052413. The cubic root of 40935406 is about 344.6405441873.

The spelling of 40935406 in words is "forty million, nine hundred thirty-five thousand, four hundred six".