65403740446 has 16 divisors (see below), whose sum is σ = 107028770688. Its totient is φ = 29727731800.

The previous prime is 65403740443. The next prime is 65403740461. The reversal of 65403740446 is 64404730456.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65403740443) 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, 667461 + ... + 759151.

It is an arithmetic number, because the mean of its divisors is an integer number (6689298168).

Almost surely, 2^65403740446 is an apocalyptic number.

65403740446 is a deficient number, since it is larger than the sum of its proper divisors (41625030242).

65403740446 is a wasteful number, since it uses less digits than its factorization.

65403740446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124127.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 65403740446 in words is "sixty-five billion, four hundred three million, seven hundred forty thousand, four hundred forty-six".