40046463 has 18 divisors (see below), whose sum is σ = 59312552. Its totient is φ = 26036640.

The previous prime is 40046449. The next prime is 40046467. The reversal of 40046463 is 36464004.

It is a happy number.

It is not a de Polignac number, because 40046463 - 2²⁰ = 38997887 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40046467) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13806 + ... + 16452.

Almost surely, 2^40046463 is an apocalyptic number.

40046463 is a deficient number, since it is larger than the sum of its proper divisors (19266089).

40046463 is a wasteful number, since it uses less digits than its factorization.

40046463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40046463 is about 6328.2274769480. The cubic root of 40046463 is about 342.1275557847.

It can be divided in two parts, 4004 and 6463, that multiplied together give a palindrome (25877852).

The spelling of 40046463 in words is "forty million, forty-six thousand, four hundred sixty-three".