126625752040 has 64 divisors (see below), whose sum is σ = 297839928960. Its totient is φ = 48359351040.

The previous prime is 126625752037. The next prime is 126625752079. The reversal of 126625752040 is 40257526621.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 126625751984 and 126625752002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377430 + ... + 629050.

It is an arithmetic number, because the mean of its divisors is an integer number (4653748890).

Almost surely, 2^126625752040 is an apocalyptic number.

126625752040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126625752040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148919964480).

126625752040 is an abundant number, since it is smaller than the sum of its proper divisors (171214176920).

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

126625752040 is a wasteful number, since it uses less digits than its factorization.

126625752040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252202 (or 252198 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 126625752040 in words is "one hundred twenty-six billion, six hundred twenty-five million, seven hundred fifty-two thousand, forty".