1450507420 has 72 divisors (see below), whose sum is σ = 3253126464. Its totient is φ = 542982528.

The previous prime is 1450507343. The next prime is 1450507441. The reversal of 1450507420 is 247050541.

It is a congruent number.

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, 495802 + ... + 498718.

It is an arithmetic number, because the mean of its divisors is an integer number (45182312).

Almost surely, 2^1450507420 is an apocalyptic number.

1450507420 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 1450507420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626563232).

1450507420 is an abundant number, since it is smaller than the sum of its proper divisors (1802619044).

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

1450507420 is a wasteful number, since it uses less digits than its factorization.

1450507420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1450507420 is about 38085.5276975389. The cubic root of 1450507420 is about 1131.9832090556.

Adding to 1450507420 its reverse (247050541), we get a palindrome (1697557961).

The spelling of 1450507420 in words is "one billion, four hundred fifty million, five hundred seven thousand, four hundred twenty".