1420242432 has 160 divisors (see below), whose sum is σ = 4464666624. Its totient is φ = 392601600.

The previous prime is 1420242427. The next prime is 1420242449. The reversal of 1420242432 is 2342420241.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 331182 + ... + 335442.

Almost surely, 2^1420242432 is an apocalyptic number.

1420242432 is a gapful number since it is divisible by the number (12) 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 1420242432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232333312).

1420242432 is an abundant number, since it is smaller than the sum of its proper divisors (3044424192).

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

1420242432 is an equidigital number, since it uses as much as digits as its factorization.

1420242432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1420242432 is about 37686.1039641935. The cubic root of 1420242432 is about 1124.0548260808.

Adding to 1420242432 its reverse (2342420241), we get a palindrome (3762662673).

The spelling of 1420242432 in words is "one billion, four hundred twenty million, two hundred forty-two thousand, four hundred thirty-two".