1533420450 has 96 divisors (see below), whose sum is σ = 4256781120. Its totient is φ = 405878400.

The previous prime is 1533420437. The next prime is 1533420461. The reversal of 1533420450 is 540243351.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180805 + ... + 189095.

It is an arithmetic number, because the mean of its divisors is an integer number (44341470).

Almost surely, 2^1533420450 is an apocalyptic number.

1533420450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1533420450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128390560).

1533420450 is an abundant number, since it is smaller than the sum of its proper divisors (2723360670).

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

1533420450 is a wasteful number, since it uses less digits than its factorization.

1533420450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449 (or 8438 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1533420450 is about 39158.9127785744. The cubic root of 1533420450 is about 1153.1533993931.

The spelling of 1533420450 in words is "one billion, five hundred thirty-three million, four hundred twenty thousand, four hundred fifty".