1632426240 has 288 divisors, whose sum is σ = 5483479680. Its totient is φ = 413335552.

The previous prime is 1632426233. The next prime is 1632426277. The reversal of 1632426240 is 426242361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1632426198 and 1632426207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11915452 + ... + 11915588.

It is an arithmetic number, because the mean of its divisors is an integer number (19039860).

Almost surely, 2^1632426240 is an apocalyptic number.

1632426240 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 1632426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741739840).

1632426240 is an abundant number, since it is smaller than the sum of its proper divisors (3851053440).

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

1632426240 is a wasteful number, since it uses less digits than its factorization.

1632426240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1632426240 is about 40403.2949151428. The cubic root of 1632426240 is about 1177.4555534271.

The spelling of 1632426240 in words is "one billion, six hundred thirty-two million, four hundred twenty-six thousand, two hundred forty".