440125430421355 has 32 divisors (see below), whose sum is σ = 605127808644480. Its totient is φ = 301036703109120.

The previous prime is 440125430421349. The next prime is 440125430421371. The reversal of 440125430421355 is 553124034521044.

It is a happy number.

It is not a de Polignac number, because 440125430421355 - 2⁹ = 440125430420843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2320495225 + ... + 2320684885.

It is an arithmetic number, because the mean of its divisors is an integer number (18910244020140).

Almost surely, 2^{440125430421355} is an apocalyptic number.

440125430421355 is a deficient number, since it is larger than the sum of its proper divisors (165002378223125).

440125430421355 is a wasteful number, since it uses less digits than its factorization.

440125430421355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357079.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 440125430421355 its reverse (553124034521044), we get a palindrome (993249464942399).

The spelling of 440125430421355 in words is "four hundred forty trillion, one hundred twenty-five billion, four hundred thirty million, four hundred twenty-one thousand, three hundred fifty-five".