1440790037 has 2 divisors, whose sum is σ = 1440790038. Its totient is φ = 1440790036.

The previous prime is 1440789997. The next prime is 1440790051. The reversal of 1440790037 is 7300970441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221572401 + 219217636 = 34951^2 + 14806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440790037 is a prime.

It is a super-2 number, since 2×1440790037² = 4151751861436922738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440789979 and 1440790006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440790067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720395018 + 720395019.

It is an arithmetic number, because the mean of its divisors is an integer number (720395019).

Almost surely, 2^1440790037 is an apocalyptic number.

It is an amenable number.

1440790037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440790037 is an equidigital number, since it uses as much as digits as its factorization.

1440790037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1440790037 is about 37957.7401461151. The cubic root of 1440790037 is about 1129.4497117019.

The spelling of 1440790037 in words is "one billion, four hundred forty million, seven hundred ninety thousand, thirty-seven".