40993413 has 4 divisors (see below), whose sum is σ = 54657888. Its totient is φ = 27328940.

The previous prime is 40993411. The next prime is 40993417. The reversal of 40993413 is 31439904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40993413 - 2¹ = 40993411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40993411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6832233 + ... + 6832238.

It is an arithmetic number, because the mean of its divisors is an integer number (13664472).

Almost surely, 2^40993413 is an apocalyptic number.

It is an amenable number.

40993413 is a deficient number, since it is larger than the sum of its proper divisors (13664475).

40993413 is a wasteful number, since it uses less digits than its factorization.

40993413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13664474.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 40993413 is about 6402.6098584874. The cubic root of 40993413 is about 344.8032568647.

The spelling of 40993413 in words is "forty million, nine hundred ninety-three thousand, four hundred thirteen".