40029079 has 8 divisors (see below), whose sum is σ = 42115248. Its totient is φ = 37995840.

The previous prime is 40029061. The next prime is 40029089. The reversal of 40029079 is 97092004.

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

It is a cyclic number.

It is not a de Polignac number, because 40029079 - 2⁵ = 40029047 is a prime.

It is a super-3 number, since 3×40029079³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40029079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40029089) 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, 11677 + ... + 14710.

It is an arithmetic number, because the mean of its divisors is an integer number (5264406).

Almost surely, 2^40029079 is an apocalyptic number.

40029079 is a deficient number, since it is larger than the sum of its proper divisors (2086169).

40029079 is a wasteful number, since it uses less digits than its factorization.

40029079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26465.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 40029079 is about 6326.8537994804. The cubic root of 40029079 is about 342.0780432453.

The spelling of 40029079 in words is "forty million, twenty-nine thousand, seventy-nine".