1449034240 has 160 divisors (see below), whose sum is σ = 3779043840. Its totient is φ = 531394560.

The previous prime is 1449034231. The next prime is 1449034267. The reversal of 1449034240 is 424309441.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-3 number, since 3×1449034240³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46743025 + ... + 46743055.

It is an arithmetic number, because the mean of its divisors is an integer number (23619024).

Almost surely, 2^1449034240 is an apocalyptic number.

1449034240 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 1449034240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889521920).

1449034240 is an abundant number, since it is smaller than the sum of its proper divisors (2330009600).

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

1449034240 is an frugal number, since it uses more digits than its factorization.

1449034240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1449034240 is about 38066.1823670302. The cubic root of 1449034240 is about 1131.5998535760.

The spelling of 1449034240 in words is "one billion, four hundred forty-nine million, thirty-four thousand, two hundred forty".