40444526356 has 18 divisors (see below), whose sum is σ = 76641182142. Its totient is φ = 18666704160.

The previous prime is 40444526261. The next prime is 40444526399. The reversal of 40444526356 is 65362544404.

It can be written as a sum of positive squares in 3 ways, for example, as 1385328400 + 39059197956 = 37220^2 + 197634^2 .

It is a super-2 number, since 2×40444526356² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29913915 + ... + 29915266.

Almost surely, 2^40444526356 is an apocalyptic number.

It is an amenable number.

40444526356 is a deficient number, since it is larger than the sum of its proper divisors (36196655786).

40444526356 is a wasteful number, since it uses less digits than its factorization.

40444526356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59829211 (or 59829196 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 40444526356 in words is "forty billion, four hundred forty-four million, five hundred twenty-six thousand, three hundred fifty-six".