1440115425430 has 16 divisors (see below), whose sum is σ = 2827863017424. Its totient is φ = 523678336480.

The previous prime is 1440115425409. The next prime is 1440115425439. The reversal of 1440115425430 is 345245110441.

It is a happy number.

It is a super-2 number, since 2×1440115425430² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440115425439) 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, 6545979097 + ... + 6545979316.

It is an arithmetic number, because the mean of its divisors is an integer number (176741438589).

Almost surely, 2^{1440115425430} is an apocalyptic number.

1440115425430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440115425430 is a deficient number, since it is larger than the sum of its proper divisors (1387747591994).

1440115425430 is a wasteful number, since it uses less digits than its factorization.

1440115425430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13091958431.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 1440115425430 in words is "one trillion, four hundred forty billion, one hundred fifteen million, four hundred twenty-five thousand, four hundred thirty".