126822396880 has 40 divisors (see below), whose sum is σ = 294992447400. Its totient is φ = 50706528768.

The previous prime is 126822396803. The next prime is 126822396919. The reversal of 126822396880 is 88693228621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17481070656 + 109341326224 = 132216^2 + 330668^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 167815 + ... + 530854.

It is an arithmetic number, because the mean of its divisors is an integer number (7374811185).

Almost surely, 2^126822396880 is an apocalyptic number.

126822396880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126822396880 is an abundant number, since it is smaller than the sum of its proper divisors (168170050520).

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

126822396880 is a wasteful number, since it uses less digits than its factorization.

126822396880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700951 (or 700945 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 126822396880 in words is "one hundred twenty-six billion, eight hundred twenty-two million, three hundred ninety-six thousand, eight hundred eighty".