40442154524 has 6 divisors (see below), whose sum is σ = 70773770424. Its totient is φ = 20221077260.

The previous prime is 40442154491. The next prime is 40442154583. The reversal of 40442154524 is 42545124404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055269312 + ... + 5055269319.

It is an arithmetic number, because the mean of its divisors is an integer number (11795628404).

Almost surely, 2^40442154524 is an apocalyptic number.

It is an amenable number.

40442154524 is a deficient number, since it is larger than the sum of its proper divisors (30331615900).

40442154524 is a wasteful number, since it uses less digits than its factorization.

40442154524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110538635 (or 10110538633 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 40442154524 its reverse (42545124404), we get a palindrome (82987278928).

The spelling of 40442154524 in words is "forty billion, four hundred forty-two million, one hundred fifty-four thousand, five hundred twenty-four".