1425729600 has 504 divisors, whose sum is σ = 5560303840. Its totient is φ = 358318080.

The previous prime is 1425729479. The next prime is 1425729611. The reversal of 1425729600 is 69275241.

1425729600 is a `hidden beast` number, since 1 + 4 + 25 + 7 + 29 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7387104 + ... + 7387296.

Almost surely, 2^1425729600 is an apocalyptic number.

1425729600 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 1425729600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780151920).

1425729600 is an abundant number, since it is smaller than the sum of its proper divisors (4134574240).

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

1425729600 is a wasteful number, since it uses less digits than its factorization.

1425729600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1425729600 is about 37758.8347277826. The cubic root of 1425729600 is about 1125.5005772314.

It can be divided in two parts, 1425 and 729600, that added together give a square (731025 = 855²).

The spelling of 1425729600 in words is "one billion, four hundred twenty-five million, seven hundred twenty-nine thousand, six hundred".