126040440 has 32 divisors (see below), whose sum is σ = 378121680. Its totient is φ = 33610752.

The previous prime is 126040429. The next prime is 126040469. The reversal of 126040440 is 44040621.

It is a congruent number.

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, 525049 + ... + 525288.

Almost surely, 2^126040440 is an apocalyptic number.

126040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126040440 is an abundant number, since it is smaller than the sum of its proper divisors (252081240).

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

126040440 is a wasteful number, since it uses less digits than its factorization.

126040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050351 (or 1050347 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 126040440 is about 11226.7733565794. The cubic root of 126040440 is about 501.3834220897.

The spelling of 126040440 in words is "one hundred twenty-six million, forty thousand, four hundred forty".