1425044992 has 160 divisors (see below), whose sum is σ = 3629767680. Its totient is φ = 544112640.

The previous prime is 1425044989. The next prime is 1425045019. The reversal of 1425044992 is 2994405241.

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, 1157017 + ... + 1158247.

It is an arithmetic number, because the mean of its divisors is an integer number (22686048).

Almost surely, 2^1425044992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425044992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814883840).

1425044992 is an abundant number, since it is smaller than the sum of its proper divisors (2204722688).

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

1425044992 is a wasteful number, since it uses less digits than its factorization.

1425044992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1425044992 is about 37749.7681052480. The cubic root of 1425044992 is about 1125.3204004613.

The spelling of 1425044992 in words is "one billion, four hundred twenty-five million, forty-four thousand, nine hundred ninety-two".