40451442044154 has 32 divisors (see below), whose sum is σ = 81197537358336. Its totient is φ = 13434708237120.

The previous prime is 40451442044149. The next prime is 40451442044159. The reversal of 40451442044154 is 45144024415404.

It is an interprime number because it is at equal distance from previous prime (40451442044149) and next prime (40451442044159).

It is not an unprimeable number, because it can be changed into a prime (40451442044159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54137559 + ... + 54879669.

It is an arithmetic number, because the mean of its divisors is an integer number (2537423042448).

Almost surely, 2^{40451442044154} is an apocalyptic number.

40451442044154 is an abundant number, since it is smaller than the sum of its proper divisors (40746095314182).

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

40451442044154 is a wasteful number, since it uses less digits than its factorization.

40451442044154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775190.

The product of its (nonzero) digits is 819200, while the sum is 42.

Adding to 40451442044154 its reverse (45144024415404), we get a palindrome (85595466459558).

The spelling of 40451442044154 in words is "forty trillion, four hundred fifty-one billion, four hundred forty-two million, forty-four thousand, one hundred fifty-four".