40113637401 has 16 divisors (see below), whose sum is σ = 53966430144. Its totient is φ = 26502296064.

The previous prime is 40113637397. The next prime is 40113637411. The reversal of 40113637401 is 10473631104.

It is not a de Polignac number, because 40113637401 - 2² = 40113637397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40113637411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161430 + ... + 326016.

It is an arithmetic number, because the mean of its divisors is an integer number (3372901884).

Almost surely, 2^40113637401 is an apocalyptic number.

It is an amenable number.

40113637401 is a deficient number, since it is larger than the sum of its proper divisors (13852792743).

40113637401 is a wasteful number, since it uses less digits than its factorization.

40113637401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165320.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 40113637401 in words is "forty billion, one hundred thirteen million, six hundred thirty-seven thousand, four hundred one".