40147637801 has 4 divisors (see below), whose sum is σ = 42509263572. Its totient is φ = 37786012032.

The previous prime is 40147637791. The next prime is 40147637819. The reversal of 40147637801 is 10873674104.

40147637801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16454732176 + 23692905625 = 128276^2 + 153925^2 .

It is a cyclic number.

It is not a de Polignac number, because 40147637801 - 2⁶ = 40147637737 is a prime.

It is a super-2 number, since 2×40147637801² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40147637851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180812860 + ... + 1180812893.

It is an arithmetic number, because the mean of its divisors is an integer number (10627315893).

Almost surely, 2^40147637801 is an apocalyptic number.

It is an amenable number.

40147637801 is a deficient number, since it is larger than the sum of its proper divisors (2361625771).

40147637801 is a wasteful number, since it uses less digits than its factorization.

40147637801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361625770.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 40147637801 in words is "forty billion, one hundred forty-seven million, six hundred thirty-seven thousand, eight hundred one".