40314021 has 16 divisors (see below), whose sum is σ = 62088768. Its totient is φ = 22995200.

The previous prime is 40314011. The next prime is 40314023. The reversal of 40314021 is 12041304.

It is a cyclic number.

It is not a de Polignac number, because 40314021 - 2¹⁹ = 39789733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40314023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35370 + ... + 36491.

It is an arithmetic number, because the mean of its divisors is an integer number (3880548).

Almost surely, 2^40314021 is an apocalyptic number.

It is an amenable number.

40314021 is a deficient number, since it is larger than the sum of its proper divisors (21774747).

40314021 is a wasteful number, since it uses less digits than its factorization.

40314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71892.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40314021 is about 6349.3323271034. The cubic root of 40314021 is about 342.8878048223.

Adding to 40314021 its reverse (12041304), we get a palindrome (52355325).

The spelling of 40314021 in words is "forty million, three hundred fourteen thousand, twenty-one".