1652198420 has 54 divisors (see below), whose sum is σ = 3551260986. Its totient is φ = 645682560.

The previous prime is 1652198393. The next prime is 1652198437. The reversal of 1652198420 is 248912561.

It can be written as a sum of positive squares in 9 ways, for example, as 1644789136 + 7409284 = 40556^2 + 2722^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 11088506 + ... + 11088654.

Almost surely, 2^1652198420 is an apocalyptic number.

1652198420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1652198420 is an abundant number, since it is smaller than the sum of its proper divisors (1899062566).

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

1652198420 is an equidigital number, since it uses as much as digits as its factorization.

1652198420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1652198420 is about 40647.2436949912. The cubic root of 1652198420 is about 1182.1903251594.

The spelling of 1652198420 in words is "one billion, six hundred fifty-two million, one hundred ninety-eight thousand, four hundred twenty".