125626542040 has 32 divisors (see below), whose sum is σ = 282722103360. Its totient is φ = 50239526400.

The previous prime is 125626542031. The next prime is 125626542043. The reversal of 125626542040 is 40245626521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125626542043) 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, 161856 + ... + 526735.

It is an arithmetic number, because the mean of its divisors is an integer number (8835065730).

Almost surely, 2^125626542040 is an apocalyptic number.

125626542040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125626542040 is an abundant number, since it is smaller than the sum of its proper divisors (157095561320).

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

125626542040 is a wasteful number, since it uses less digits than its factorization.

125626542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693163 (or 693159 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 125626542040 in words is "one hundred twenty-five billion, six hundred twenty-six million, five hundred forty-two thousand, forty".