1426719420 has 120 divisors (see below), whose sum is σ = 5115093984. Its totient is φ = 326104704.

The previous prime is 1426719401. The next prime is 1426719433. The reversal of 1426719420 is 249176241.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51567 + ... + 74246.

Almost surely, 2^1426719420 is an apocalyptic number.

1426719420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426719420 is an abundant number, since it is smaller than the sum of its proper divisors (3688374564).

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

1426719420 is a wasteful number, since it uses less digits than its factorization.

1426719420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125841 (or 125830 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1426719420 is about 37771.9395848294. The cubic root of 1426719420 is about 1125.7609784722.

The spelling of 1426719420 in words is "one billion, four hundred twenty-six million, seven hundred nineteen thousand, four hundred twenty".