40374037049 has 2 divisors, whose sum is σ = 40374037050. Its totient is φ = 40374037048.

The previous prime is 40374037031. The next prime is 40374037097. The reversal of 40374037049 is 94073047304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25770523024 + 14603514025 = 160532^2 + 120845^2 .

It is a cyclic number.

It is not a de Polignac number, because 40374037049 - 2³² = 36079069753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40374036997 and 40374037015.

It is not a weakly prime, because it can be changed into another prime (40374037009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20187018524 + 20187018525.

It is an arithmetic number, because the mean of its divisors is an integer number (20187018525).

Almost surely, 2^40374037049 is an apocalyptic number.

It is an amenable number.

40374037049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40374037049 is an equidigital number, since it uses as much as digits as its factorization.

40374037049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 40374037049 in words is "forty billion, three hundred seventy-four million, thirty-seven thousand, forty-nine".