126436453770240 has 352 divisors, whose sum is σ = 449642286764160. Its totient is φ = 33693129474048.

The previous prime is 126436453770169. The next prime is 126436453770269. The reversal of 126436453770240 is 42077354634621.

126436453770240 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 3 + 64 + 537 + 7 + 0 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200547987 + ... + 201177453.

Almost surely, 2^{126436453770240} is an apocalyptic number.

126436453770240 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 126436453770240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224821143382080).

126436453770240 is an abundant number, since it is smaller than the sum of its proper divisors (323205832993920).

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

126436453770240 is a wasteful number, since it uses less digits than its factorization.

126436453770240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630954 (or 630930 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 54.

The spelling of 126436453770240 in words is "one hundred twenty-six trillion, four hundred thirty-six billion, four hundred fifty-three million, seven hundred seventy thousand, two hundred forty".