1432004040 has 96 divisors (see below), whose sum is σ = 4681118520. Its totient is φ = 379643904.

The previous prime is 1432004029. The next prime is 1432004059. The reversal of 1432004040 is 404002341.

It can be written as a sum of positive squares in 4 ways, for example, as 1428386436 + 3617604 = 37794^2 + 1902^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50784 + ... + 73776.

Almost surely, 2^1432004040 is an apocalyptic number.

1432004040 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 1432004040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2340559260).

1432004040 is an abundant number, since it is smaller than the sum of its proper divisors (3249114480).

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

1432004040 is a wasteful number, since it uses less digits than its factorization.

1432004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23183 (or 23176 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1432004040 is about 37841.8292369700. The cubic root of 1432004040 is about 1127.1492188889.

Adding to 1432004040 its reverse (404002341), we get a palindrome (1836006381).

The spelling of 1432004040 in words is "one billion, four hundred thirty-two million, four thousand, forty".