40866430 has 16 divisors (see below), whose sum is σ = 80247024. Its totient is φ = 14860480.

The previous prime is 40866407. The next prime is 40866439. The reversal of 40866430 is 3466804.

It is a junction number, because it is equal to n+sod(n) for n = 40866392 and 40866401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40866439) 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, 185647 + ... + 185866.

It is an arithmetic number, because the mean of its divisors is an integer number (5015439).

Almost surely, 2^40866430 is an apocalyptic number.

40866430 is a deficient number, since it is larger than the sum of its proper divisors (39380594).

40866430 is a wasteful number, since it uses less digits than its factorization.

40866430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371531.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40866430 is about 6392.6856641008. The cubic root of 40866430 is about 344.4468627032.

The spelling of 40866430 in words is "forty million, eight hundred sixty-six thousand, four hundred thirty".