40043463 has 8 divisors (see below), whose sum is σ = 53425008. Its totient is φ = 26678784.

The previous prime is 40043417. The next prime is 40043467. The reversal of 40043463 is 36434004.

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

It is not a de Polignac number, because 40043463 - 2¹³ = 40035271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043467) 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, 3181 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (6678126).

Almost surely, 2^40043463 is an apocalyptic number.

40043463 is a deficient number, since it is larger than the sum of its proper divisors (13381545).

40043463 is a wasteful number, since it uses less digits than its factorization.

40043463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40043463 is about 6327.9904393101. The cubic root of 40043463 is about 342.1190123061.

Adding to 40043463 its reverse (36434004), we get a palindrome (76477467).

The spelling of 40043463 in words is "forty million, forty-three thousand, four hundred sixty-three".