1426471340 has 72 divisors (see below), whose sum is σ = 3492846000. Its totient is φ = 487928448.

The previous prime is 1426471331. The next prime is 1426471357. The reversal of 1426471340 is 431746241.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1426471297 and 1426471306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487562 + ... + 490478.

It is an arithmetic number, because the mean of its divisors is an integer number (48511750).

Almost surely, 2^1426471340 is an apocalyptic number.

1426471340 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 1426471340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746423000).

1426471340 is an abundant number, since it is smaller than the sum of its proper divisors (2066374660).

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

1426471340 is a wasteful number, since it uses less digits than its factorization.

1426471340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439 (or 3430 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1426471340 is about 37768.6555228009. The cubic root of 1426471340 is about 1125.6957250504.

The spelling of 1426471340 in words is "one billion, four hundred twenty-six million, four hundred seventy-one thousand, three hundred forty".