1649225502 has 64 divisors (see below), whose sum is σ = 3730752000. Its totient is φ = 539922240.

The previous prime is 1649225489. The next prime is 1649225503. The reversal of 1649225502 is 2055229461.

1649225502 is a `hidden beast` number, since 1 + 64 + 92 + 2 + 5 + 502 = 666.

1649225502 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649225503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166802 + ... + 2167562.

It is an arithmetic number, because the mean of its divisors is an integer number (58293000).

Almost surely, 2^1649225502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1649225502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865376000).

1649225502 is an abundant number, since it is smaller than the sum of its proper divisors (2081526498).

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

1649225502 is a wasteful number, since it uses less digits than its factorization.

1649225502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1649225502 is about 40610.6574928306. The cubic root of 1649225502 is about 1181.4808330951.

The spelling of 1649225502 in words is "one billion, six hundred forty-nine million, two hundred twenty-five thousand, five hundred two".