1424525140 has 12 divisors (see below), whose sum is σ = 2991502836. Its totient is φ = 569810048.

The previous prime is 1424525117. The next prime is 1424525147. The reversal of 1424525140 is 415254241.

It can be written as a sum of positive squares in 2 ways, for example, as 322417936 + 1102107204 = 17956^2 + 33198^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1424525099 and 1424525108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424525147) 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, 35613109 + ... + 35613148.

It is an arithmetic number, because the mean of its divisors is an integer number (249291903).

Almost surely, 2^1424525140 is an apocalyptic number.

1424525140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424525140 is an abundant number, since it is smaller than the sum of its proper divisors (1566977696).

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

1424525140 is a wasteful number, since it uses less digits than its factorization.

1424525140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71226266 (or 71226264 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1424525140 is about 37742.8819779306. The cubic root of 1424525140 is about 1125.1835460195.

Adding to 1424525140 its reverse (415254241), we get a palindrome (1839779381).

The spelling of 1424525140 in words is "one billion, four hundred twenty-four million, five hundred twenty-five thousand, one hundred forty".