126444560 has 40 divisors (see below), whose sum is σ = 320711616. Its totient is φ = 45979520.

The previous prime is 126444557. The next prime is 126444569. The reversal of 126444560 is 65444621.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (126444569) 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, 70964 + ... + 72723.

Almost surely, 2^126444560 is an apocalyptic number.

126444560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126444560 is an abundant number, since it is smaller than the sum of its proper divisors (194267056).

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

126444560 is a wasteful number, since it uses less digits than its factorization.

126444560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143711 (or 143705 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 126444560 is about 11244.7570004869. The cubic root of 126444560 is about 501.9187077034.

The spelling of 126444560 in words is "one hundred twenty-six million, four hundred forty-four thousand, five hundred sixty".