40957293 has 32 divisors (see below), whose sum is σ = 63938560. Its totient is φ = 23094720.

The previous prime is 40957289. The next prime is 40957297. The reversal of 40957293 is 39275904.

It is an interprime number because it is at equal distance from previous prime (40957289) and next prime (40957297).

It is not a de Polignac number, because 40957293 - 2² = 40957289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40957297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22080 + ... + 23862.

It is an arithmetic number, because the mean of its divisors is an integer number (1998080).

Almost surely, 2^40957293 is an apocalyptic number.

It is an amenable number.

40957293 is a deficient number, since it is larger than the sum of its proper divisors (22981267).

40957293 is a wasteful number, since it uses less digits than its factorization.

40957293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 40957293 is about 6399.7885121307. The cubic root of 40957293 is about 344.7019564166.

The spelling of 40957293 in words is "forty million, nine hundred fifty-seven thousand, two hundred ninety-three".