40643103019 has 8 divisors (see below), whose sum is σ = 42046835760. Its totient is φ = 39239520096.

The previous prime is 40643102993. The next prime is 40643103043. The reversal of 40643103019 is 91030134604.

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

It is a cyclic number.

It is not a de Polignac number, because 40643103019 - 2²³ = 40634714411 is a prime.

It is a super-2 number, since 2×40643103019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40643103079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051789 + ... + 1089745.

It is an arithmetic number, because the mean of its divisors is an integer number (5255854470).

Almost surely, 2^40643103019 is an apocalyptic number.

40643103019 is a deficient number, since it is larger than the sum of its proper divisors (1403732741).

40643103019 is a wasteful number, since it uses less digits than its factorization.

40643103019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74909.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 40643103019 in words is "forty billion, six hundred forty-three million, one hundred three thousand, nineteen".