40921463 has 8 divisors (see below), whose sum is σ = 45084816. Its totient is φ = 36832000.

The previous prime is 40921451. The next prime is 40921469. The reversal of 40921463 is 36412904.

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

It is a cyclic number.

It is not a de Polignac number, because 40921463 - 2⁸ = 40921207 is a prime.

It is a super-2 number, since 2×40921463² = 3349132268120738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40921469) 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, 17306 + ... + 19527.

It is an arithmetic number, because the mean of its divisors is an integer number (5635602).

Almost surely, 2^40921463 is an apocalyptic number.

40921463 is a deficient number, since it is larger than the sum of its proper divisors (4163353).

40921463 is a wasteful number, since it uses less digits than its factorization.

40921463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36945.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 40921463 is about 6396.9885883906. The cubic root of 40921463 is about 344.6014104295.

It can be divided in two parts, 4092 and 1463, that added together give a palindrome (5555).

The spelling of 40921463 in words is "forty million, nine hundred twenty-one thousand, four hundred sixty-three".