126436625380 has 24 divisors (see below), whose sum is σ = 285941291832. Its totient is φ = 46684292352.

The previous prime is 126436625369. The next prime is 126436625387. The reversal of 126436625380 is 83526634621.

It can be written as a sum of positive squares in 4 ways, for example, as 253956096 + 126182669284 = 15936^2 + 355222^2 .

It is a super-3 number, since 3×126436625380³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126436625380.

It is not an unprimeable number, because it can be changed into a prime (126436625387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243147097 + ... + 243147616.

It is an arithmetic number, because the mean of its divisors is an integer number (11914220493).

Almost surely, 2^126436625380 is an apocalyptic number.

126436625380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126436625380 is an abundant number, since it is smaller than the sum of its proper divisors (159504666452).

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

126436625380 is a wasteful number, since it uses less digits than its factorization.

126436625380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486294735 (or 486294733 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 126436625380 in words is "one hundred twenty-six billion, four hundred thirty-six million, six hundred twenty-five thousand, three hundred eighty".