40345350403 has 8 divisors (see below), whose sum is σ = 40962237120. Its totient is φ = 39728896680.

The previous prime is 40345350377. The next prime is 40345350439. The reversal of 40345350403 is 30405354304.

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 40345350403 - 2⁵ = 40345350371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40345350503) 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, 82068 + ... + 295678.

It is an arithmetic number, because the mean of its divisors is an integer number (5120279640).

Almost surely, 2^40345350403 is an apocalyptic number.

40345350403 is a deficient number, since it is larger than the sum of its proper divisors (616886717).

40345350403 is a wasteful number, since it uses less digits than its factorization.

40345350403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216497.

The product of its (nonzero) digits is 43200, while the sum is 31.

The spelling of 40345350403 in words is "forty billion, three hundred forty-five million, three hundred fifty thousand, four hundred three".