126400536950 has 48 divisors (see below), whose sum is σ = 239776434576. Its totient is φ = 49561276800.

The previous prime is 126400536949. The next prime is 126400536967. The reversal of 126400536950 is 59635004621.

It is a junction number, because it is equal to n+sod(n) for n = 126400536898 and 126400536907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822929 + ... + 964371.

It is an arithmetic number, because the mean of its divisors is an integer number (4995342387).

Almost surely, 2^126400536950 is an apocalyptic number.

126400536950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126400536950 is a deficient number, since it is larger than the sum of its proper divisors (113375897626).

126400536950 is a wasteful number, since it uses less digits than its factorization.

126400536950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141809 (or 141804 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 126400536950 in words is "one hundred twenty-six billion, four hundred million, five hundred thirty-six thousand, nine hundred fifty".