1425884362816 has 63 divisors (see below), whose sum is σ = 2930991769069. Its totient is φ = 688224228608.

The previous prime is 1425884362781. The next prime is 1425884362871. The reversal of 1425884362816 is 6182634885241.

The square root of 1425884362816 is 1194104.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 747699172416 + 678185190400 = 864696^2 + 823520^2 .

It is a super-2 number, since 2×1425884362816² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 277029555 + ... + 277034701.

Almost surely, 2^{1425884362816} is an apocalyptic number.

1425884362816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1425884362816 is the 1194104-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425884362816

1425884362816 is an abundant number, since it is smaller than the sum of its proper divisors (1505107406253).

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

1425884362816 is an frugal number, since it uses more digits than its factorization.

1425884362816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364 (or 5178 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 58.

The spelling of 1425884362816 in words is "one trillion, four hundred twenty-five billion, eight hundred eighty-four million, three hundred sixty-two thousand, eight hundred sixteen".