40401637803 has 6 divisors (see below), whose sum is σ = 58357921284. Its totient is φ = 26934425196.

The previous prime is 40401637799. The next prime is 40401637807. The reversal of 40401637803 is 30873610404.

It is an interprime number because it is at equal distance from previous prime (40401637799) and next prime (40401637807).

It is not a de Polignac number, because 40401637803 - 2² = 40401637799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40401637807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2244535425 + ... + 2244535442.

It is an arithmetic number, because the mean of its divisors is an integer number (9726320214).

Almost surely, 2^40401637803 is an apocalyptic number.

40401637803 is a deficient number, since it is larger than the sum of its proper divisors (17956283481).

40401637803 is a wasteful number, since it uses less digits than its factorization.

40401637803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489070873 (or 4489070870 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 40401637803 in words is "forty billion, four hundred one million, six hundred thirty-seven thousand, eight hundred three".