1430442450 has 144 divisors (see below), whose sum is σ = 4122548640. Its totient is φ = 364684320.

The previous prime is 1430442439. The next prime is 1430442451. The reversal of 1430442450 is 542440341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1430442451) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 713149 + ... + 715151.

It is an arithmetic number, because the mean of its divisors is an integer number (28628810).

Almost surely, 2^1430442450 is an apocalyptic number.

1430442450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430442450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061274320).

1430442450 is an abundant number, since it is smaller than the sum of its proper divisors (2692106190).

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

1430442450 is a wasteful number, since it uses less digits than its factorization.

1430442450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1430442450 is about 37821.1904889309. The cubic root of 1430442450 is about 1126.7393538569.

Adding to 1430442450 its reverse (542440341), we get a palindrome (1972882791).

The spelling of 1430442450 in words is "one billion, four hundred thirty million, four hundred forty-two thousand, four hundred fifty".