132253440 has 288 divisors, whose sum is σ = 480356352. Its totient is φ = 30720000.

The previous prime is 132253411. The next prime is 132253477. The reversal of 132253440 is 44352231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 132253440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1309390 + ... + 1309490.

It is an arithmetic number, because the mean of its divisors is an integer number (1667904).

Almost surely, 2^132253440 is an apocalyptic number.

132253440 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 132253440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240178176).

132253440 is an abundant number, since it is smaller than the sum of its proper divisors (348102912).

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

132253440 is a wasteful number, since it uses less digits than its factorization.

132253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 132253440 is about 11500.1495642448. The cubic root of 132253440 is about 509.4899938101.

The spelling of 132253440 in words is "one hundred thirty-two million, two hundred fifty-three thousand, four hundred forty".