126644530450 has 12 divisors (see below), whose sum is σ = 235558826730. Its totient is φ = 50657812160.

The previous prime is 126644530409. The next prime is 126644530531. The reversal of 126644530450 is 54035446621.

It can be written as a sum of positive squares in 3 ways, for example, as 74902384489 + 51742145961 = 273683^2 + 227469^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1266445255 + ... + 1266445354.

Almost surely, 2^126644530450 is an apocalyptic number.

126644530450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126644530450 is a deficient number, since it is larger than the sum of its proper divisors (108914296280).

126644530450 is a wasteful number, since it uses less digits than its factorization.

126644530450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532890621 (or 2532890616 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 126644530450 in words is "one hundred twenty-six billion, six hundred forty-four million, five hundred thirty thousand, four hundred fifty".