1450542420 has 36 divisors (see below), whose sum is σ = 4399979220. Its totient is φ = 386811264.

The previous prime is 1450542407. The next prime is 1450542427. The reversal of 1450542420 is 242450541.

It can be written as a sum of positive squares in 2 ways, for example, as 1118501136 + 332041284 = 33444^2 + 18222^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450542427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4029105 + ... + 4029464.

It is an arithmetic number, because the mean of its divisors is an integer number (122221645).

Almost surely, 2^1450542420 is an apocalyptic number.

1450542420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450542420 is an abundant number, since it is smaller than the sum of its proper divisors (2949436800).

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

1450542420 is a wasteful number, since it uses less digits than its factorization.

1450542420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058584 (or 8058579 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1450542420 is about 38085.9871868907. The cubic root of 1450542420 is about 1131.9923137071.

Adding to 1450542420 its reverse (242450541), we get a palindrome (1692992961).

The spelling of 1450542420 in words is "one billion, four hundred fifty million, five hundred forty-two thousand, four hundred twenty".