40979091 has 8 divisors (see below), whose sum is σ = 56115664. Its totient is φ = 26580960.

The previous prime is 40979069. The next prime is 40979093. The reversal of 40979091 is 19097904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40979091 - 2⁹ = 40978579 is a prime.

It is a super-3 number, since 3×40979091³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40979093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184480 + ... + 184701.

It is an arithmetic number, because the mean of its divisors is an integer number (7014458).

Almost surely, 2^40979091 is an apocalyptic number.

40979091 is a deficient number, since it is larger than the sum of its proper divisors (15136573).

40979091 is a wasteful number, since it uses less digits than its factorization.

40979091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369221.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 40979091 is about 6401.4913106244. The cubic root of 40979091 is about 344.7630971814.

The spelling of 40979091 in words is "forty million, nine hundred seventy-nine thousand, ninety-one".