1625795320 has 32 divisors (see below), whose sum is σ = 3668040000. Its totient is φ = 648540288.

The previous prime is 1625795317. The next prime is 1625795321. The reversal of 1625795320 is 235975261.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625795321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40695 + ... + 70054.

It is an arithmetic number, because the mean of its divisors is an integer number (114626250).

Almost surely, 2^1625795320 is an apocalyptic number.

1625795320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625795320 is an abundant number, since it is smaller than the sum of its proper divisors (2042244680).

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

1625795320 is a wasteful number, since it uses less digits than its factorization.

1625795320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111127 (or 111123 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 1625795320 is about 40321.1522652813. The cubic root of 1625795320 is about 1175.8591139629.

The spelling of 1625795320 in words is "one billion, six hundred twenty-five million, seven hundred ninety-five thousand, three hundred twenty".