40154112444 has 12 divisors (see below), whose sum is σ = 93692929064. Its totient is φ = 13384704144.

The previous prime is 40154112433. The next prime is 40154112451. The reversal of 40154112444 is 44421145104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×40154112444³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673088007 + ... + 1673088030.

Almost surely, 2^40154112444 is an apocalyptic number.

It is an amenable number.

40154112444 is an abundant number, since it is smaller than the sum of its proper divisors (53538816620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40154112444 is a wasteful number, since it uses less digits than its factorization.

40154112444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346176044 (or 3346176042 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 40154112444 its reverse (44421145104), we get a palindrome (84575257548).

The spelling of 40154112444 in words is "forty billion, one hundred fifty-four million, one hundred twelve thousand, four hundred forty-four".