40240242444044 has 24 divisors (see below), whose sum is σ = 73111706577840. Its totient is φ = 19356192789696.

The previous prime is 40240242444037. The next prime is 40240242444067. The reversal of 40240242444044 is 44044424204204.

It is a super-2 number, since 2×40240242444044² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40240242443989 and 40240242444007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626138702 + ... + 626202965.

It is an arithmetic number, because the mean of its divisors is an integer number (3046321107410).

Almost surely, 2^{40240242444044} is an apocalyptic number.

It is an amenable number.

40240242444044 is a deficient number, since it is larger than the sum of its proper divisors (32871464133796).

40240242444044 is a wasteful number, since it uses less digits than its factorization.

40240242444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252341977 (or 1252341975 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 40240242444044 its reverse (44044424204204), we get a palindrome (84284666648248).

The spelling of 40240242444044 in words is "forty trillion, two hundred forty billion, two hundred forty-two million, four hundred forty-four thousand, forty-four".