40860069 has 4 divisors (see below), whose sum is σ = 54480096. Its totient is φ = 27240044.

The previous prime is 40860059. The next prime is 40860097. The reversal of 40860069 is 96006804.

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 not a de Polignac number, because 40860069 - 2⁷ = 40859941 is a prime.

It is a super-2 number, since 2×40860069² = 3339090477369522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40860059) 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, 6810009 + ... + 6810014.

It is an arithmetic number, because the mean of its divisors is an integer number (13620024).

Almost surely, 2^40860069 is an apocalyptic number.

It is an amenable number.

40860069 is a deficient number, since it is larger than the sum of its proper divisors (13620027).

40860069 is a wasteful number, since it uses less digits than its factorization.

40860069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13620026.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 40860069 is about 6392.1881230139. The cubic root of 40860069 is about 344.4289903306.

The spelling of 40860069 in words is "forty million, eight hundred sixty thousand, sixty-nine".