40201045451 has 6 divisors (see below), whose sum is σ = 46764481500. Its totient is φ = 34458038916.

The previous prime is 40201045327. The next prime is 40201045457. The reversal of 40201045451 is 15454010204.

40201045451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40201045451 - 2¹⁸ = 40200783307 is a prime.

It is a super-2 number, since 2×40201045451² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40201045451.

It is not an unprimeable number, because it can be changed into a prime (40201045457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410214701 + ... + 410214798.

It is an arithmetic number, because the mean of its divisors is an integer number (7794080250).

Almost surely, 2^40201045451 is an apocalyptic number.

40201045451 is a deficient number, since it is larger than the sum of its proper divisors (6563436049).

40201045451 is an equidigital number, since it uses as much as digits as its factorization.

40201045451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820429513 (or 820429506 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 40201045451 its reverse (15454010204), we get a palindrome (55655055655).

The spelling of 40201045451 in words is "forty billion, two hundred one million, forty-five thousand, four hundred fifty-one".