1649395504 has 40 divisors (see below), whose sum is σ = 3391211520. Its totient is φ = 775460928.

The previous prime is 1649395483. The next prime is 1649395511. The reversal of 1649395504 is 4055939461.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16272 + ... + 59695.

It is an arithmetic number, because the mean of its divisors is an integer number (84780288).

Almost surely, 2^1649395504 is an apocalyptic number.

It is an amenable number.

1649395504 is an abundant number, since it is smaller than the sum of its proper divisors (1741816016).

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

1649395504 is a wasteful number, since it uses less digits than its factorization.

1649395504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76057 (or 76051 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 1649395504 is about 40612.7505101538. The cubic root of 1649395504 is about 1181.5214273424.

The spelling of 1649395504 in words is "one billion, six hundred forty-nine million, three hundred ninety-five thousand, five hundred four".