1425451740 has 24 divisors (see below), whose sum is σ = 3991265040. Its totient is φ = 380120448.

The previous prime is 1425451663. The next prime is 1425451757. The reversal of 1425451740 is 471545241.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11878705 + ... + 11878824.

It is an arithmetic number, because the mean of its divisors is an integer number (166302710).

Almost surely, 2^1425451740 is an apocalyptic number.

1425451740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425451740 is an abundant number, since it is smaller than the sum of its proper divisors (2565813300).

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

1425451740 is a wasteful number, since it uses less digits than its factorization.

1425451740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23757541 (or 23757539 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 1425451740 is about 37755.1551446951. The cubic root of 1425451740 is about 1125.4274563281.

Adding to 1425451740 its reverse (471545241), we get a palindrome (1896996981).

The spelling of 1425451740 in words is "one billion, four hundred twenty-five million, four hundred fifty-one thousand, seven hundred forty".