40355463 has 4 divisors (see below), whose sum is σ = 53807288. Its totient is φ = 26903640.

The previous prime is 40355431. The next prime is 40355473. The reversal of 40355463 is 36455304.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40355463 - 2⁵ = 40355431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40355463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40355473) 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, 6725908 + ... + 6725913.

It is an arithmetic number, because the mean of its divisors is an integer number (13451822).

Almost surely, 2^40355463 is an apocalyptic number.

40355463 is a deficient number, since it is larger than the sum of its proper divisors (13451825).

40355463 is a wasteful number, since it uses less digits than its factorization.

40355463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451824.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 40355463 is about 6352.5949815804. The cubic root of 40355463 is about 343.0052584993.

The spelling of 40355463 in words is "forty million, three hundred fifty-five thousand, four hundred sixty-three".