1425236340 has 48 divisors (see below), whose sum is σ = 4353451200. Its totient is φ = 345511680.

The previous prime is 1425236317. The next prime is 1425236353. The reversal of 1425236340 is 436325241.

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 = 1425236298 and 1425236307.

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, 1079065 + ... + 1080384.

It is an arithmetic number, because the mean of its divisors is an integer number (90696900).

Almost surely, 2^1425236340 is an apocalyptic number.

1425236340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425236340 is an abundant number, since it is smaller than the sum of its proper divisors (2928214860).

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

1425236340 is a wasteful number, since it uses less digits than its factorization.

1425236340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159472 (or 2159470 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1425236340 is about 37752.3024463409. The cubic root of 1425236340 is about 1125.3707656947.

The spelling of 1425236340 in words is "one billion, four hundred twenty-five million, two hundred thirty-six thousand, three hundred forty".