40201104451 has 4 divisors (see below), whose sum is σ = 41497914304. Its totient is φ = 38904294600.

The previous prime is 40201104443. The next prime is 40201104487. The reversal of 40201104451 is 15440110204.

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 40201104451 - 2³ = 40201104443 is a prime.

It is a super-2 number, since 2×40201104451² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40201104431) 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, 648404880 + ... + 648404941.

It is an arithmetic number, because the mean of its divisors is an integer number (10374478576).

Almost surely, 2^40201104451 is an apocalyptic number.

40201104451 is a deficient number, since it is larger than the sum of its proper divisors (1296809853).

40201104451 is a wasteful number, since it uses less digits than its factorization.

40201104451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296809852.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 40201104451 its reverse (15440110204), we get a palindrome (55641214655).

The spelling of 40201104451 in words is "forty billion, two hundred one million, one hundred four thousand, four hundred fifty-one".