1428214626 has 16 divisors (see below), whose sum is σ = 3173810400. Its totient is φ = 476071524.

The previous prime is 1428214621. The next prime is 1428214633. The reversal of 1428214626 is 6264128241.

1428214626 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 21 + 4 + 626 = 666.

It is not an unprimeable number, because it can be changed into a prime (1428214621) 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 7 ways as a sum of consecutive naturals, for example, 13224156 + ... + 13224263.

It is an arithmetic number, because the mean of its divisors is an integer number (198363150).

Almost surely, 2^1428214626 is an apocalyptic number.

1428214626 is an abundant number, since it is smaller than the sum of its proper divisors (1745595774).

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

1428214626 is a wasteful number, since it uses less digits than its factorization.

1428214626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26448430 (or 26448424 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 1428214626 is about 37791.7269518079. The cubic root of 1428214626 is about 1126.1541080703.

The spelling of 1428214626 in words is "one billion, four hundred twenty-eight million, two hundred fourteen thousand, six hundred twenty-six".