1432121040 has 320 divisors, whose sum is σ = 5755584000. Its totient is φ = 327172608.

The previous prime is 1432121027. The next prime is 1432121057. The reversal of 1432121040 is 401212341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 739914 + ... + 741846.

It is an arithmetic number, because the mean of its divisors is an integer number (17986200).

Almost surely, 2^1432121040 is an apocalyptic number.

1432121040 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 1432121040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2877792000).

1432121040 is an abundant number, since it is smaller than the sum of its proper divisors (4323462960).

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

1432121040 is a wasteful number, since it uses less digits than its factorization.

1432121040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1432121040 is about 37843.3751137501. The cubic root of 1432121040 is about 1127.1799154660.

Adding to 1432121040 its reverse (401212341), we get a palindrome (1833333381).

The spelling of 1432121040 in words is "one billion, four hundred thirty-two million, one hundred twenty-one thousand, forty".