1425343540 has 48 divisors (see below), whose sum is σ = 3020250240. Its totient is φ = 565013120.

The previous prime is 1425343537. The next prime is 1425343547. The reversal of 1425343540 is 453435241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425343547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698441 + ... + 1699279.

It is an arithmetic number, because the mean of its divisors is an integer number (62921880).

Almost surely, 2^1425343540 is an apocalyptic number.

1425343540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425343540 is an abundant number, since it is smaller than the sum of its proper divisors (1594906700).

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

1425343540 is a wasteful number, since it uses less digits than its factorization.

1425343540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1425343540 is about 37753.7222005990. The cubic root of 1425343540 is about 1125.3989801315.

Adding to 1425343540 its reverse (453435241), we get a palindrome (1878778781).

The spelling of 1425343540 in words is "one billion, four hundred twenty-five million, three hundred forty-three thousand, five hundred forty".