125440500030 has 64 divisors (see below), whose sum is σ = 306235537920. Its totient is φ = 32875710336.

The previous prime is 125440500013. The next prime is 125440500037. The reversal of 125440500030 is 30005044521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125440500037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11221524 + ... + 11232696.

It is an arithmetic number, because the mean of its divisors is an integer number (4784930280).

Almost surely, 2^125440500030 is an apocalyptic number.

125440500030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125440500030 is an abundant number, since it is smaller than the sum of its proper divisors (180795037890).

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

125440500030 is a wasteful number, since it uses less digits than its factorization.

125440500030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 125440500030 its reverse (30005044521), we get a palindrome (155445544551).

The spelling of 125440500030 in words is "one hundred twenty-five billion, four hundred forty million, five hundred thousand, thirty".