1930640465782 has 32 divisors (see below), whose sum is σ = 3311946144000. Its totient is φ = 826848365280.

The previous prime is 1930640465777. The next prime is 1930640465807. The reversal of 1930640465782 is 2875640460391.

It is a super-2 number, since 2×1930640465782² (a number of 25 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 15 ways as a sum of consecutive naturals, for example, 198029844 + ... + 198039592.

It is an arithmetic number, because the mean of its divisors is an integer number (103498317000).

It is a 1-persistent number, because it is pandigital, but 2⋅1930640465782 = 3861280931564 is not.

Almost surely, 2^{1930640465782} is an apocalyptic number.

1930640465782 is a deficient number, since it is larger than the sum of its proper divisors (1381305678218).

1930640465782 is a wasteful number, since it uses less digits than its factorization.

1930640465782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18036.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1930640465782 in words is "one trillion, nine hundred thirty billion, six hundred forty million, four hundred sixty-five thousand, seven hundred eighty-two".