1432444398 has 64 divisors (see below), whose sum is σ = 3620823552. Its totient is φ = 366958080.

The previous prime is 1432444369. The next prime is 1432444411. The reversal of 1432444398 is 8934442341.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12490 + ... + 54962.

It is an arithmetic number, because the mean of its divisors is an integer number (56575368).

Almost surely, 2^1432444398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1432444398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810411776).

1432444398 is an abundant number, since it is smaller than the sum of its proper divisors (2188379154).

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

1432444398 is a wasteful number, since it uses less digits than its factorization.

1432444398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42569.

The product of its digits is 331776, while the sum is 42.

The square root of 1432444398 is about 37847.6471923949. The cubic root of 1432444398 is about 1127.2647442396.

The spelling of 1432444398 in words is "one billion, four hundred thirty-two million, four hundred forty-four thousand, three hundred ninety-eight".