1425426464 has 144 divisors (see below), whose sum is σ = 3595941216. Its totient is φ = 554547840.

The previous prime is 1425426461. The next prime is 1425426503. The reversal of 1425426464 is 4646245241.

It is not an unprimeable number, because it can be changed into a prime (1425426461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2086667 + ... + 2087349.

It is an arithmetic number, because the mean of its divisors is an integer number (24971814).

Almost surely, 2^1425426464 is an apocalyptic number.

1425426464 is a gapful number since it is divisible by the number (14) 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 1425426464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797970608).

1425426464 is an abundant number, since it is smaller than the sum of its proper divisors (2170514752).

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

1425426464 is an equidigital number, since it uses as much as digits as its factorization.

1425426464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 703 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 1425426464 is about 37754.8204074659. The cubic root of 1425426464 is about 1125.4208042912.

The spelling of 1425426464 in words is "one billion, four hundred twenty-five million, four hundred twenty-six thousand, four hundred sixty-four".