126772767269428 has 48 divisors (see below), whose sum is σ = 269822718950400. Its totient is φ = 50875664103936.

The previous prime is 126772767269419. The next prime is 126772767269429. The reversal of 126772767269428 is 824962767277621.

It is a super-2 number, since 2×126772767269428² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126772767269429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675869028 + ... + 676056571.

It is an arithmetic number, because the mean of its divisors is an integer number (5621306644800).

Almost surely, 2^{126772767269428} is an apocalyptic number.

It is an amenable number.

126772767269428 is an abundant number, since it is smaller than the sum of its proper divisors (143049951680972).

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

126772767269428 is a wasteful number, since it uses less digits than its factorization.

126772767269428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351925824 (or 1351925822 counting only the distinct ones).

The product of its digits is 2389782528, while the sum is 76.

The spelling of 126772767269428 in words is "one hundred twenty-six trillion, seven hundred seventy-two billion, seven hundred sixty-seven million, two hundred sixty-nine thousand, four hundred twenty-eight".