32144412440000 has 140 divisors (see below), whose sum is σ = 91094510413104. Its totient is φ = 11020941312000.

The previous prime is 32144412439981. The next prime is 32144412440009. The reversal of 32144412440000 is 4421444123.

It is a tau number, because it is divible by the number of its divisors (140).

It is a super-2 number, since 2×32144412440000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32144412440009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57120737 + ... + 57680736.

Almost surely, 2^{32144412440000} is an apocalyptic number.

It is an amenable number.

32144412440000 is an abundant number, since it is smaller than the sum of its proper divisors (58950097973104).

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

32144412440000 is an equidigital number, since it uses as much as digits as its factorization.

32144412440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114801512 (or 114801487 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 32144412440000 its reverse (4421444123), we get a palindrome (32148833884123).

The spelling of 32144412440000 in words is "thirty-two trillion, one hundred forty-four billion, four hundred twelve million, four hundred forty thousand".