40157463 has 4 divisors (see below), whose sum is σ = 53543288. Its totient is φ = 26771640.

The previous prime is 40157461. The next prime is 40157479. The reversal of 40157463 is 36475104.

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

It is not a de Polignac number, because 40157463 - 2¹ = 40157461 is a prime.

It is a super-2 number, since 2×40157463² = 3225243669192738, which contains 22 as substring.

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 40157463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40157461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6692908 + ... + 6692913.

It is an arithmetic number, because the mean of its divisors is an integer number (13385822).

Almost surely, 2^40157463 is an apocalyptic number.

40157463 is a deficient number, since it is larger than the sum of its proper divisors (13385825).

40157463 is a wasteful number, since it uses less digits than its factorization.

40157463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13385824.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40157463 is about 6336.9916364155. The cubic root of 40157463 is about 342.4433649939.

The spelling of 40157463 in words is "forty million, one hundred fifty-seven thousand, four hundred sixty-three".