40306073903 has 4 divisors (see below), whose sum is σ = 40600278960. Its totient is φ = 40011868848.

The previous prime is 40306073879. The next prime is 40306073921. The reversal of 40306073903 is 30937060304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40306073903 - 2¹² = 40306069807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40306073803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147102323 + ... + 147102596.

It is an arithmetic number, because the mean of its divisors is an integer number (10150069740).

Almost surely, 2^40306073903 is an apocalyptic number.

40306073903 is a deficient number, since it is larger than the sum of its proper divisors (294205057).

40306073903 is a wasteful number, since it uses less digits than its factorization.

40306073903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294205056.

The product of its (nonzero) digits is 40824, while the sum is 35.

The spelling of 40306073903 in words is "forty billion, three hundred six million, seventy-three thousand, nine hundred three".