1532475648 has 324 divisors, whose sum is σ = 5089069440. Its totient is φ = 442337280.

The previous prime is 1532475619. The next prime is 1532475653. The reversal of 1532475648 is 8465742351.

1532475648 is a `hidden beast` number, since 1 + 532 + 4 + 75 + 6 + 48 = 666.

It is a super-2 number, since 2×1532475648² = 4696963223426039808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6411913 + ... + 6412151.

Almost surely, 2^1532475648 is an apocalyptic number.

1532475648 is a gapful number since it is divisible by the number (18) 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 1532475648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2544534720).

1532475648 is an abundant number, since it is smaller than the sum of its proper divisors (3556593792).

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

1532475648 is a wasteful number, since it uses less digits than its factorization.

1532475648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 278 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 1532475648 is about 39146.8472293747. The cubic root of 1532475648 is about 1152.9165160089.

The spelling of 1532475648 in words is "one billion, five hundred thirty-two million, four hundred seventy-five thousand, six hundred forty-eight".