40444390004 has 24 divisors (see below), whose sum is σ = 71853727008. Its totient is φ = 19914919200.

The previous prime is 40444390001. The next prime is 40444390057. The reversal of 40444390004 is 40009344404.

40444390004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444390001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067042 + ... + 1104294.

It is an arithmetic number, because the mean of its divisors is an integer number (2993905292).

Almost surely, 2^40444390004 is an apocalyptic number.

It is an amenable number.

40444390004 is a deficient number, since it is larger than the sum of its proper divisors (31409337004).

40444390004 is a wasteful number, since it uses less digits than its factorization.

40444390004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41375 (or 41373 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 40444390004 in words is "forty billion, four hundred forty-four million, three hundred ninety thousand, four".