40001463 has 6 divisors (see below), whose sum is σ = 57779904. Its totient is φ = 26667636.

The previous prime is 40001461. The next prime is 40001473. The reversal of 40001463 is 36410004.

It is not a de Polignac number, because 40001463 - 2¹ = 40001461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2222295 + ... + 2222312.

It is an arithmetic number, because the mean of its divisors is an integer number (9629984).

Almost surely, 2^40001463 is an apocalyptic number.

40001463 is a deficient number, since it is larger than the sum of its proper divisors (17778441).

40001463 is a wasteful number, since it uses less digits than its factorization.

40001463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444613 (or 4444610 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40001463 is about 6324.6709795846. The cubic root of 40001463 is about 341.9993587759. Note that the first 3 decimals are identical.

Adding to 40001463 its reverse (36410004), we get a palindrome (76411467).

The spelling of 40001463 in words is "forty million, one thousand, four hundred sixty-three".