1535420000 has 60 divisors (see below), whose sum is σ = 3777412716. Its totient is φ = 614160000.

The previous prime is 1535419973. The next prime is 1535420011. The reversal of 1535420000 is 245351.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 9 ways as a sum of consecutive naturals, for example, 18386 + ... + 58385.

Almost surely, 2^1535420000 is an apocalyptic number.

1535420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1535420000 is an abundant number, since it is smaller than the sum of its proper divisors (2241992716).

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

1535420000 is an frugal number, since it uses more digits than its factorization.

1535420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76801 (or 76778 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1535420000 is about 39184.4356856137. The cubic root of 1535420000 is about 1153.6544114435.

Adding to 1535420000 its reverse (245351), we get a palindrome (1535665351).

The spelling of 1535420000 in words is "one billion, five hundred thirty-five million, four hundred twenty thousand".