126632340 has 144 divisors (see below), whose sum is σ = 411640320. Its totient is φ = 31415040.

The previous prime is 126632333. The next prime is 126632393. The reversal of 126632340 is 43236621.

126632340 is a `hidden beast` number, since 1 + 26 + 632 + 3 + 4 + 0 = 666.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 208317 + ... + 208923.

Almost surely, 2^126632340 is an apocalyptic number.

126632340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126632340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205820160).

126632340 is an abundant number, since it is smaller than the sum of its proper divisors (285007980).

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

126632340 is a wasteful number, since it uses less digits than its factorization.

126632340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 126632340 is about 11253.1035719041. The cubic root of 126632340 is about 502.1670475741.

Adding to 126632340 its reverse (43236621), we get a palindrome (169868961).

The spelling of 126632340 in words is "one hundred twenty-six million, six hundred thirty-two thousand, three hundred forty".