1449749172 has 24 divisors (see below), whose sum is σ = 3560788000. Its totient is φ = 457815456.

The previous prime is 1449749129. The next prime is 1449749173. The reversal of 1449749172 is 2719479441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449749173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179047 + ... + 3179502.

Almost surely, 2^1449749172 is an apocalyptic number.

1449749172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1449749172 is an abundant number, since it is smaller than the sum of its proper divisors (2111038828).

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

1449749172 is a wasteful number, since it uses less digits than its factorization.

1449749172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358575 (or 6358573 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 1449749172 is about 38075.5718538803. The cubic root of 1449749172 is about 1131.7859278380.

The spelling of 1449749172 in words is "one billion, four hundred forty-nine million, seven hundred forty-nine thousand, one hundred seventy-two".