1425053780 has 48 divisors (see below), whose sum is σ = 3166781184. Its totient is φ = 537546240.

The previous prime is 1425053737. The next prime is 1425053797. The reversal of 1425053780 is 873505241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425053780.

It is a congruent number.

It is an unprimeable number.

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, 10844 + ... + 54476.

It is an arithmetic number, because the mean of its divisors is an integer number (65974608).

Almost surely, 2^1425053780 is an apocalyptic number.

1425053780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425053780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583390592).

1425053780 is an abundant number, since it is smaller than the sum of its proper divisors (1741727404).

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

1425053780 is a wasteful number, since it uses less digits than its factorization.

1425053780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43736 (or 43734 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1425053780 is about 37749.8845031346. The cubic root of 1425053780 is about 1125.3227136737.

The spelling of 1425053780 in words is "one billion, four hundred twenty-five million, fifty-three thousand, seven hundred eighty".