126462440 has 32 divisors (see below), whose sum is σ = 306429480. Its totient is φ = 46693632.

The previous prime is 126462419. The next prime is 126462443. The reversal of 126462440 is 44264621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110796676 + 15665764 = 10526^2 + 3958^2 .

It is not an unprimeable number, because it can be changed into a prime (126462443) 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, 121079 + ... + 122118.

Almost surely, 2^126462440 is an apocalyptic number.

126462440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126462440 is an abundant number, since it is smaller than the sum of its proper divisors (179967040).

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

126462440 is a wasteful number, since it uses less digits than its factorization.

126462440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243221 (or 243217 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 126462440 is about 11245.5520095725. The cubic root of 126462440 is about 501.9423646682.

The spelling of 126462440 in words is "one hundred twenty-six million, four hundred sixty-two thousand, four hundred forty".