44440040400037 has 2 divisors, whose sum is σ = 44440040400038. Its totient is φ = 44440040400036.

The previous prime is 44440040400029. The next prime is 44440040400143. The reversal of 44440040400037 is 73000404004444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44433436237281 + 6604162756 = 6665841^2 + 81266^2 .

It is a cyclic number.

It is not a de Polignac number, because 44440040400037 - 2³ = 44440040400029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44440040399975 and 44440040400011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44440040400737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22220020200018 + 22220020200019.

It is an arithmetic number, because the mean of its divisors is an integer number (22220020200019).

Almost surely, 2^{44440040400037} is an apocalyptic number.

It is an amenable number.

44440040400037 is a deficient number, since it is larger than the sum of its proper divisors (1).

44440040400037 is an equidigital number, since it uses as much as digits as its factorization.

44440040400037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 34.

The spelling of 44440040400037 in words is "forty-four trillion, four hundred forty billion, forty million, four hundred thousand, thirty-seven".