40213363 has 4 divisors (see below), whose sum is σ = 40603888. Its totient is φ = 39822840.

The previous prime is 40213357. The next prime is 40213373. The reversal of 40213363 is 36331204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40213363 is a prime.

It is a super-2 number, since 2×40213363² = 3234229127539538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40213373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195108 + ... + 195313.

It is an arithmetic number, because the mean of its divisors is an integer number (10150972).

Almost surely, 2^40213363 is an apocalyptic number.

40213363 is a deficient number, since it is larger than the sum of its proper divisors (390525).

40213363 is a wasteful number, since it uses less digits than its factorization.

40213363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390524.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40213363 is about 6341.4007127763. The cubic root of 40213363 is about 342.6021873501.

Adding to 40213363 its reverse (36331204), we get a palindrome (76544567).

The spelling of 40213363 in words is "forty million, two hundred thirteen thousand, three hundred sixty-three".