32051143440 has 120 divisors (see below), whose sum is σ = 110547661848. Its totient is φ = 8315965440.

The previous prime is 32051143417. The next prime is 32051143451. The reversal of 32051143440 is 4434115023.

It is a happy number.

32051143440 is a `hidden beast` number, since 3 + 205 + 1 + 14 + 3 + 440 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19153452816 + 12897690624 = 138396^2 + 113568^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×32051143440² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574921 + ... + 628200.

Almost surely, 2^32051143440 is an apocalyptic number.

32051143440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32051143440 is an abundant number, since it is smaller than the sum of its proper divisors (78496518408).

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

32051143440 is a wasteful number, since it uses less digits than its factorization.

32051143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203177 (or 1203168 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 32051143440 its reverse (4434115023), we get a palindrome (36485258463).

The spelling of 32051143440 in words is "thirty-two billion, fifty-one million, one hundred forty-three thousand, four hundred forty".