1426752890 has 8 divisors (see below), whose sum is σ = 2568155220. Its totient is φ = 570701152.

The previous prime is 1426752871. The next prime is 1426752907. The reversal of 1426752890 is 982576241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1366115521 + 60637369 = 36961^2 + 7787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71337635 + ... + 71337654.

Almost surely, 2^1426752890 is an apocalyptic number.

1426752890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1426752890 is a deficient number, since it is larger than the sum of its proper divisors (1141402330).

1426752890 is a wasteful number, since it uses less digits than its factorization.

1426752890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142675296.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1426752890 is about 37772.3826359948. The cubic root of 1426752890 is about 1125.7697816339.

The spelling of 1426752890 in words is "one billion, four hundred twenty-six million, seven hundred fifty-two thousand, eight hundred ninety".