40863405 has 32 divisors (see below), whose sum is σ = 71705088. Its totient is φ = 19707200.

The previous prime is 40863379. The next prime is 40863409. The reversal of 40863405 is 50436804.

It is not a de Polignac number, because 40863405 - 2⁸ = 40863149 is a prime.

It is a super-3 number, since 3×40863405³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40863409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36910 + ... + 38000.

It is an arithmetic number, because the mean of its divisors is an integer number (2240784).

Almost surely, 2^40863405 is an apocalyptic number.

It is an amenable number.

40863405 is a deficient number, since it is larger than the sum of its proper divisors (30841683).

40863405 is a wasteful number, since it uses less digits than its factorization.

40863405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40863405 is about 6392.4490611971. The cubic root of 40863405 is about 344.4383636534.

The spelling of 40863405 in words is "forty million, eight hundred sixty-three thousand, four hundred five".