40953213 has 24 divisors (see below), whose sum is σ = 67873728. Its totient is φ = 23308992.

The previous prime is 40953203. The next prime is 40953223. The reversal of 40953213 is 31235904.

It is an interprime number because it is at equal distance from previous prime (40953203) and next prime (40953223).

It is not a de Polignac number, because 40953213 - 2⁴ = 40953197 is a prime.

It is a super-4 number, since 4×40953213⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40953203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16681 + ... + 18977.

It is an arithmetic number, because the mean of its divisors is an integer number (2828072).

Almost surely, 2^40953213 is an apocalyptic number.

It is an amenable number.

40953213 is a deficient number, since it is larger than the sum of its proper divisors (26920515).

40953213 is a wasteful number, since it uses less digits than its factorization.

40953213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 40953213 is about 6399.4697436585. The cubic root of 40953213 is about 344.6905100979.

The spelling of 40953213 in words is "forty million, nine hundred fifty-three thousand, two hundred thirteen".