40354079 has 4 divisors (see below), whose sum is σ = 40381776. Its totient is φ = 40326384.

The previous prime is 40354021. The next prime is 40354091. The reversal of 40354079 is 97045304.

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

It is a cyclic number.

It is not a de Polignac number, because 40354079 - 2¹⁶ = 40288543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40354009) 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, 11534 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (10095444).

Almost surely, 2^40354079 is an apocalyptic number.

40354079 is a deficient number, since it is larger than the sum of its proper divisors (27697).

40354079 is a wasteful number, since it uses less digits than its factorization.

40354079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27696.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40354079 is about 6352.4860487844. The cubic root of 40354079 is about 343.0013373061.

The spelling of 40354079 in words is "forty million, three hundred fifty-four thousand, seventy-nine".