1449764988 has 48 divisors (see below), whose sum is σ = 3871789824. Its totient is φ = 413602560.

The previous prime is 1449764983. The next prime is 1449764993. The reversal of 1449764988 is 8894679441.

It is an interprime number because it is at equal distance from previous prime (1449764983) and next prime (1449764993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449764983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45556 + ... + 70532.

It is an arithmetic number, because the mean of its divisors is an integer number (80662288).

Almost surely, 2^1449764988 is an apocalyptic number.

It is an amenable number.

1449764988 is an abundant number, since it is smaller than the sum of its proper divisors (2422024836).

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

1449764988 is a wasteful number, since it uses less digits than its factorization.

1449764988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25682 (or 25680 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 1449764988 is about 38075.7795455326. The cubic root of 1449764988 is about 1131.7900435525.

The spelling of 1449764988 in words is "one billion, four hundred forty-nine million, seven hundred sixty-four thousand, nine hundred eighty-eight".