40344455151 has 144 divisors (see below), whose sum is σ = 79206167040. Its totient is φ = 19110816000.

The previous prime is 40344455119. The next prime is 40344455153. The reversal of 40344455151 is 15155444304.

It is not a de Polignac number, because 40344455151 - 2⁵ = 40344455119 is a prime.

It is a super-2 number, since 2×40344455151² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344455153) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 91900590 + ... + 91901028.

Almost surely, 2^40344455151 is an apocalyptic number.

40344455151 is a deficient number, since it is larger than the sum of its proper divisors (38861711889).

40344455151 is a wasteful number, since it uses less digits than its factorization.

40344455151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 40344455151 its reverse (15155444304), we get a palindrome (55499899455).

The spelling of 40344455151 in words is "forty billion, three hundred forty-four million, four hundred fifty-five thousand, one hundred fifty-one".