1652870740 has 12 divisors (see below), whose sum is σ = 3471028596. Its totient is φ = 661148288.

The previous prime is 1652870729. The next prime is 1652870749. The reversal of 1652870740 is 470782561.

It can be written as a sum of positive squares in 2 ways, for example, as 1252310544 + 400560196 = 35388^2 + 20014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1652870693 and 1652870702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652870749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41321749 + ... + 41321788.

It is an arithmetic number, because the mean of its divisors is an integer number (289252383).

Almost surely, 2^1652870740 is an apocalyptic number.

1652870740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1652870740 is an abundant number, since it is smaller than the sum of its proper divisors (1818157856).

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

1652870740 is a wasteful number, since it uses less digits than its factorization.

1652870740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82643546 (or 82643544 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 1652870740 is about 40655.5130332898. The cubic root of 1652870740 is about 1182.3506574788.

The spelling of 1652870740 in words is "one billion, six hundred fifty-two million, eight hundred seventy thousand, seven hundred forty".