40001793 has 24 divisors (see below), whose sum is σ = 58167648. Its totient is φ = 24440832.

The previous prime is 40001791. The next prime is 40001827. The reversal of 40001793 is 39710004.

It is not a de Polignac number, because 40001793 - 2¹ = 40001791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40001791) 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, 130146 + ... + 130452.

It is an arithmetic number, because the mean of its divisors is an integer number (2423652).

Almost surely, 2^40001793 is an apocalyptic number.

It is an amenable number.

40001793 is a deficient number, since it is larger than the sum of its proper divisors (18165855).

40001793 is a wasteful number, since it uses less digits than its factorization.

40001793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 40001793 is about 6324.6970678444. The cubic root of 40001793 is about 342.0002992371. Note that the first 3 decimals are identical.

Adding to 40001793 its reverse (39710004), we get a palindrome (79711797).

The spelling of 40001793 in words is "forty million, one thousand, seven hundred ninety-three".