126840379008 has 256 divisors, whose sum is σ = 397060899840. Its totient is φ = 35122913280.

The previous prime is 126840378989. The next prime is 126840379013. The reversal of 126840379008 is 800973048621.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15137316 + ... + 15145692.

It is an arithmetic number, because the mean of its divisors is an integer number (1551019140).

Almost surely, 2^126840379008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126840379008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198530449920).

126840379008 is an abundant number, since it is smaller than the sum of its proper divisors (270220520832).

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

126840379008 is a wasteful number, since it uses less digits than its factorization.

126840379008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575 (or 8563 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 126840379008 in words is "one hundred twenty-six billion, eight hundred forty million, three hundred seventy-nine thousand, eight".