1154425440 has 96 divisors (see below), whose sum is σ = 4155943680. Its totient is φ = 263867904.

The previous prime is 1154425439. The next prime is 1154425451. The reversal of 1154425440 is 445244511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1154425398 and 1154425407.

It is a congruent number.

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, 168430 + ... + 175149.

It is an arithmetic number, because the mean of its divisors is an integer number (43291080).

Almost surely, 2^1154425440 is an apocalyptic number.

1154425440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154425440 is an abundant number, since it is smaller than the sum of its proper divisors (3001518240).

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

1154425440 is a wasteful number, since it uses less digits than its factorization.

1154425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343604 (or 343596 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1154425440 is about 33976.8368156896. The cubic root of 1154425440 is about 1049.0317423161.

Adding to 1154425440 its reverse (445244511), we get a palindrome (1599669951).

The spelling of 1154425440 in words is "one billion, one hundred fifty-four million, four hundred twenty-five thousand, four hundred forty".