40903172743 has 4 divisors (see below), whose sum is σ = 40998076128. Its totient is φ = 40808269360.

The previous prime is 40903172669. The next prime is 40903172753. The reversal of 40903172743 is 34727130904.

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-40903172743 is a prime.

It is a super-3 number, since 3×40903172743³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40903172696 and 40903172705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40903172753) 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, 47451046 + ... + 47451907.

It is an arithmetic number, because the mean of its divisors is an integer number (10249519032).

Almost surely, 2^40903172743 is an apocalyptic number.

40903172743 is a deficient number, since it is larger than the sum of its proper divisors (94903385).

40903172743 is an equidigital number, since it uses as much as digits as its factorization.

40903172743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94903384.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 40903172743 in words is "forty billion, nine hundred three million, one hundred seventy-two thousand, seven hundred forty-three".