40579097 has 6 divisors (see below), whose sum is σ = 43940862. Its totient is φ = 37457472.

The previous prime is 40579069. The next prime is 40579103. The reversal of 40579097 is 79097504.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 687241 + 39891856 = 829^2 + 6316^2 .

It is not a de Polignac number, because 40579097 - 2⁸ = 40578841 is a prime.

It is a super-2 number, since 2×40579097² = 3293326226670818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40579027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119888 + ... + 120225.

It is an arithmetic number, because the mean of its divisors is an integer number (7323477).

Almost surely, 2^40579097 is an apocalyptic number.

It is an amenable number.

40579097 is a deficient number, since it is larger than the sum of its proper divisors (3361765).

40579097 is a wasteful number, since it uses less digits than its factorization.

40579097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240139 (or 240126 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 40579097 is about 6370.1724466454. The cubic root of 40579097 is about 343.6376914874.

The spelling of 40579097 in words is "forty million, five hundred seventy-nine thousand, ninety-seven".