1425240044 has 12 divisors (see below), whose sum is σ = 2512376664. Its totient is φ = 707418144.

The previous prime is 1425240043. The next prime is 1425240059. The reversal of 1425240044 is 4400425241.

It is a super-2 number, since 2×1425240044² = 4062618366042243872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1425239995 and 1425240022.

It is not an unprimeable number, because it can be changed into a prime (1425240041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299854 + ... + 1300949.

It is an arithmetic number, because the mean of its divisors is an integer number (209364722).

Almost surely, 2^1425240044 is an apocalyptic number.

It is an amenable number.

1425240044 is a deficient number, since it is larger than the sum of its proper divisors (1087136620).

1425240044 is a wasteful number, since it uses less digits than its factorization.

1425240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600944 (or 2600942 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1425240044 is about 37752.3515029197. The cubic root of 1425240044 is about 1125.3717405903.

Adding to 1425240044 its reverse (4400425241), we get a palindrome (5825665285).

The spelling of 1425240044 in words is "one billion, four hundred twenty-five million, two hundred forty thousand, forty-four".