1945372662 has 96 divisors (see below), whose sum is σ = 4566650400. Its totient is φ = 596265984.

The previous prime is 1945372619. The next prime is 1945372669. The reversal of 1945372662 is 2662735491.

1945372662 is a `hidden beast` number, since 1 + 94 + 537 + 26 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945372669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5000764 + ... + 5001152.

It is an arithmetic number, because the mean of its divisors is an integer number (47569275).

Almost surely, 2^1945372662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1945372662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283325200).

1945372662 is an abundant number, since it is smaller than the sum of its proper divisors (2621277738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1945372662 is a wasteful number, since it uses less digits than its factorization.

1945372662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 747 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 1945372662 is about 44106.3789264093. The cubic root of 1945372662 is about 1248.3439749270.

The spelling of 1945372662 in words is "one billion, nine hundred forty-five million, three hundred seventy-two thousand, six hundred sixty-two".