126273761544 has 32 divisors (see below), whose sum is σ = 360782176320. Its totient is φ = 36078217536.

The previous prime is 126273761527. The next prime is 126273761633. The reversal of 126273761544 is 445167372621.

It is a junction number, because it is equal to n+sod(n) for n = 126273761493 and 126273761502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375814599 + ... + 375814934.

It is an arithmetic number, because the mean of its divisors is an integer number (11274443010).

Almost surely, 2^126273761544 is an apocalyptic number.

126273761544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126273761544 is an abundant number, since it is smaller than the sum of its proper divisors (234508414776).

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

126273761544 is a wasteful number, since it uses less digits than its factorization.

126273761544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751629549 (or 751629545 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The spelling of 126273761544 in words is "one hundred twenty-six billion, two hundred seventy-three million, seven hundred sixty-one thousand, five hundred forty-four".