125343003440 has 80 divisors (see below), whose sum is σ = 293643631200. Its totient is φ = 49756502016.

The previous prime is 125343003427. The next prime is 125343003479. The reversal of 125343003440 is 44300343521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×125343003440² (a number of 23 digits) contains 22 as substring.

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, 5723231 + ... + 5745089.

It is an arithmetic number, because the mean of its divisors is an integer number (3670545390).

Almost surely, 2^125343003440 is an apocalyptic number.

125343003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125343003440 is an abundant number, since it is smaller than the sum of its proper divisors (168300627760).

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

125343003440 is a wasteful number, since it uses less digits than its factorization.

125343003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22414 (or 22408 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 125343003440 its reverse (44300343521), we get a palindrome (169643346961).

The spelling of 125343003440 in words is "one hundred twenty-five billion, three hundred forty-three million, three thousand, four hundred forty".