1432244121440 has 96 divisors (see below), whose sum is σ = 3691573885440. Its totient is φ = 520775104000.

The previous prime is 1432244121439. The next prime is 1432244121467. The reversal of 1432244121440 is 441214422341.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1432244121397 and 1432244121406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30810215 + ... + 30856665.

It is an arithmetic number, because the mean of its divisors is an integer number (38453894640).

Almost surely, 2^{1432244121440} is an apocalyptic number.

1432244121440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432244121440 is an abundant number, since it is smaller than the sum of its proper divisors (2259329764000).

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

1432244121440 is a wasteful number, since it uses less digits than its factorization.

1432244121440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63996 (or 63988 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1432244121440 its reverse (441214422341), we get a palindrome (1873458543781).

The spelling of 1432244121440 in words is "one trillion, four hundred thirty-two billion, two hundred forty-four million, one hundred twenty-one thousand, four hundred forty".