40213365 has 8 divisors (see below), whose sum is σ = 64341408. Its totient is φ = 21447120.

The previous prime is 40213357. The next prime is 40213373. The reversal of 40213365 is 56331204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40213357) and next prime (40213373).

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

It is not a de Polignac number, because 40213365 - 2³ = 40213357 is a prime.

It is a super-2 number, since 2×40213365² = 3234229449246450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340431 + ... + 1340460.

It is an arithmetic number, because the mean of its divisors is an integer number (8042676).

Almost surely, 2^40213365 is an apocalyptic number.

It is an amenable number.

40213365 is a deficient number, since it is larger than the sum of its proper divisors (24128043).

40213365 is a wasteful number, since it uses less digits than its factorization.

40213365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680899.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40213365 is about 6341.4008704702. The cubic root of 40213365 is about 342.6021930298.

Adding to 40213365 its reverse (56331204), we get a palindrome (96544569).

The spelling of 40213365 in words is "forty million, two hundred thirteen thousand, three hundred sixty-five".