40860890 has 16 divisors (see below), whose sum is σ = 84056832. Its totient is φ = 14009424.

The previous prime is 40860871. The next prime is 40860893. The reversal of 40860890 is 9806804.

40860890 is nontrivially palindromic in base 8.

It is a super-2 number, since 2×40860890² = 3339224663184200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 40860890.

It is not an unprimeable number, because it can be changed into a prime (40860893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291794 + ... + 291933.

It is an arithmetic number, because the mean of its divisors is an integer number (5253552).

Almost surely, 2^40860890 is an apocalyptic number.

40860890 is an abundant number, since it is smaller than the sum of its proper divisors (43195942).

40860890 is a wasteful number, since it uses less digits than its factorization.

40860890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583741.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 40860890 is about 6392.2523417024. The cubic root of 40860890 is about 344.4312971819.

The spelling of 40860890 in words is "forty million, eight hundred sixty thousand, eight hundred ninety".