1254440442 has 16 divisors (see below), whose sum is σ = 2514549600. Its totient is φ = 417202032.

The previous prime is 1254440381. The next prime is 1254440449. The reversal of 1254440442 is 2440444521.

It is not an unprimeable number, because it can be changed into a prime (1254440449) 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, 233317 + ... + 238632.

It is an arithmetic number, because the mean of its divisors is an integer number (157159350).

Almost surely, 2^1254440442 is an apocalyptic number.

1254440442 is an abundant number, since it is smaller than the sum of its proper divisors (1260109158).

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

1254440442 is a wasteful number, since it uses less digits than its factorization.

1254440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472397.

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 1254440442 is about 35418.0807215750. The cubic root of 1254440442 is about 1078.4913898900.

Adding to 1254440442 its reverse (2440444521), we get a palindrome (3694884963).

The spelling of 1254440442 in words is "one billion, two hundred fifty-four million, four hundred forty thousand, four hundred forty-two".