1427626420 has 24 divisors (see below), whose sum is σ = 3270562848. Its totient is φ = 519136800.

The previous prime is 1427626397. The next prime is 1427626429. The reversal of 1427626420 is 246267241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427626429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3244386 + ... + 3244825.

It is an arithmetic number, because the mean of its divisors is an integer number (136273452).

Almost surely, 2^1427626420 is an apocalyptic number.

1427626420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427626420 is an abundant number, since it is smaller than the sum of its proper divisors (1842936428).

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

1427626420 is a wasteful number, since it uses less digits than its factorization.

1427626420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489231 (or 6489229 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1427626420 is about 37783.9439444852. The cubic root of 1427626420 is about 1125.9994857539. Note that the first 3 decimals are identical.

The spelling of 1427626420 in words is "one billion, four hundred twenty-seven million, six hundred twenty-six thousand, four hundred twenty".