126456299450 has 288 divisors, whose sum is σ = 282038198400. Its totient is φ = 41872158720.

The previous prime is 126456299441. The next prime is 126456299579. The reversal of 126456299450 is 54992654621.

It is a junction number, because it is equal to n+sod(n) for n = 126456299392 and 126456299401.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 757223267 + ... + 757223433.

It is an arithmetic number, because the mean of its divisors is an integer number (979299300).

Almost surely, 2^126456299450 is an apocalyptic number.

126456299450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126456299450 is an abundant number, since it is smaller than the sum of its proper divisors (155581898950).

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

126456299450 is a wasteful number, since it uses less digits than its factorization.

126456299450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 126456299450 in words is "one hundred twenty-six billion, four hundred fifty-six million, two hundred ninety-nine thousand, four hundred fifty".