1505420000 has 120 divisors (see below), whose sum is σ = 4233032496. Its totient is φ = 516096000.

The previous prime is 1505419991. The next prime is 1505420017. The reversal of 1505420000 is 245051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 134624 + ... + 145376.

Almost surely, 2^1505420000 is an apocalyptic number.

1505420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1505420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116516248).

1505420000 is an abundant number, since it is smaller than the sum of its proper divisors (2727612496).

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

1505420000 is an equidigital number, since it uses as much as digits as its factorization.

1505420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790 (or 10767 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1505420000 is about 38799.7422671852. The cubic root of 1505420000 is about 1146.0913299674.

Adding to 1505420000 its reverse (245051), we get a palindrome (1505665051).

The spelling of 1505420000 in words is "one billion, five hundred five million, four hundred twenty thousand".