15532445450 has 24 divisors (see below), whose sum is σ = 28902614400. Its totient is φ = 6210340400.

The previous prime is 15532445447. The next prime is 15532445459. The reversal of 15532445450 is 5454423551.

It is not an unprimeable number, because it can be changed into a prime (15532445459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55205 + ... + 184695.

It is an arithmetic number, because the mean of its divisors is an integer number (1204275600).

Almost surely, 2^15532445450 is an apocalyptic number.

15532445450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15532445450 is a deficient number, since it is larger than the sum of its proper divisors (13370168950).

15532445450 is a wasteful number, since it uses less digits than its factorization.

15532445450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131902 (or 131897 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 15532445450 in words is "fifteen billion, five hundred thirty-two million, four hundred forty-five thousand, four hundred fifty".