125345354440 has 32 divisors (see below), whose sum is σ = 282083780160. Its totient is φ = 50128056000.

The previous prime is 125345354401. The next prime is 125345354443. The reversal of 125345354440 is 44453543521.

It is a super-2 number, since 2×125345354440² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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 = 125345354393 and 125345354402.

It is not an unprimeable number, because it can be changed into a prime (125345354443) 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, 112236 + ... + 513115.

It is an arithmetic number, because the mean of its divisors is an integer number (8815118130).

Almost surely, 2^125345354440 is an apocalyptic number.

125345354440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125345354440 is an abundant number, since it is smaller than the sum of its proper divisors (156738425720).

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

125345354440 is a wasteful number, since it uses less digits than its factorization.

125345354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630373 (or 630369 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 125345354440 its reverse (44453543521), we get a palindrome (169798897961).

The spelling of 125345354440 in words is "one hundred twenty-five billion, three hundred forty-five million, three hundred fifty-four thousand, four hundred forty".