1426961538 has 48 divisors (see below), whose sum is σ = 3415965696. Its totient is φ = 428208000.

The previous prime is 1426961537. The next prime is 1426961677. The reversal of 1426961538 is 8351696241.

1426961538 is a `hidden beast` number, since 1 + 4 + 26 + 9 + 615 + 3 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1426961493 and 1426961502.

It is not an unprimeable number, because it can be changed into a prime (1426961531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94338 + ... + 108413.

It is an arithmetic number, because the mean of its divisors is an integer number (71165952).

Almost surely, 2^1426961538 is an apocalyptic number.

1426961538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1426961538 is an abundant number, since it is smaller than the sum of its proper divisors (1989004158).

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

1426961538 is a wasteful number, since it uses less digits than its factorization.

1426961538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202799 (or 202796 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1426961538 is about 37775.1444471097. The cubic root of 1426961538 is about 1125.8246563932.

The spelling of 1426961538 in words is "one billion, four hundred twenty-six million, nine hundred sixty-one thousand, five hundred thirty-eight".