126258440 has 64 divisors (see below), whose sum is σ = 354188160. Its totient is φ = 39352320.

The previous prime is 126258437. The next prime is 126258479. The reversal of 126258440 is 44852621.

It is a junction number, because it is equal to n+sod(n) for n = 126258397 and 126258406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17417 + ... + 23576.

It is an arithmetic number, because the mean of its divisors is an integer number (5534190).

Almost surely, 2^126258440 is an apocalyptic number.

126258440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126258440 is an abundant number, since it is smaller than the sum of its proper divisors (227929720).

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

126258440 is a wasteful number, since it uses less digits than its factorization.

126258440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41022 (or 41018 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 126258440 is about 11236.4780959160. The cubic root of 126258440 is about 501.6723204527.

The spelling of 126258440 in words is "one hundred twenty-six million, two hundred fifty-eight thousand, four hundred forty".