1649482428 has 24 divisors (see below), whose sum is σ = 4198682880. Its totient is φ = 499843120.

The previous prime is 1649482427. The next prime is 1649482463. The reversal of 1649482428 is 8242849461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649482427) 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, 6247908 + ... + 6248171.

It is an arithmetic number, because the mean of its divisors is an integer number (174945120).

Almost surely, 2^1649482428 is an apocalyptic number.

It is an amenable number.

1649482428 is an abundant number, since it is smaller than the sum of its proper divisors (2549200452).

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

1649482428 is a wasteful number, since it uses less digits than its factorization.

1649482428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12496097 (or 12496095 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 1649482428 is about 40613.8206525808. The cubic root of 1649482428 is about 1181.5421825755.

The spelling of 1649482428 in words is "one billion, six hundred forty-nine million, four hundred eighty-two thousand, four hundred twenty-eight".