40254523121444 has 12 divisors (see below), whose sum is σ = 71496839574384. Its totient is φ = 19826854671624.

The previous prime is 40254523121437. The next prime is 40254523121453. The reversal of 40254523121444 is 44412132545204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75101721974 + ... + 75101722509.

It is an arithmetic number, because the mean of its divisors is an integer number (5958069964532).

Almost surely, 2^{40254523121444} is an apocalyptic number.

It is an amenable number.

40254523121444 is a deficient number, since it is larger than the sum of its proper divisors (31242316452940).

40254523121444 is a wasteful number, since it uses less digits than its factorization.

40254523121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150203444554 (or 150203444552 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 40254523121444 its reverse (44412132545204), we get a palindrome (84666655666648).

The spelling of 40254523121444 in words is "forty trillion, two hundred fifty-four billion, five hundred twenty-three million, one hundred twenty-one thousand, four hundred forty-four".