40979753 has 4 divisors (see below), whose sum is σ = 40994688. Its totient is φ = 40964820.

The previous prime is 40979747. The next prime is 40979761. The reversal of 40979753 is 35797904.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-40979753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40979773) 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, 2033 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (10248672).

Almost surely, 2^40979753 is an apocalyptic number.

It is an amenable number.

40979753 is a deficient number, since it is larger than the sum of its proper divisors (14935).

40979753 is a wasteful number, since it uses less digits than its factorization.

40979753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14934.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 40979753 is about 6401.5430171170. The cubic root of 40979753 is about 344.7649536724.

The spelling of 40979753 in words is "forty million, nine hundred seventy-nine thousand, seven hundred fifty-three".