1406426620 has 12 divisors (see below), whose sum is σ = 2953495944. Its totient is φ = 562570640.

The previous prime is 1406426591. The next prime is 1406426639. The reversal of 1406426620 is 266246041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35160646 + ... + 35160685.

It is an arithmetic number, because the mean of its divisors is an integer number (246124662).

Almost surely, 2^1406426620 is an apocalyptic number.

1406426620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406426620 is an abundant number, since it is smaller than the sum of its proper divisors (1547069324).

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

1406426620 is a wasteful number, since it uses less digits than its factorization.

1406426620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70321340 (or 70321338 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1406426620 is about 37502.3548593952. The cubic root of 1406426620 is about 1120.3980887176.

The spelling of 1406426620 in words is "one billion, four hundred six million, four hundred twenty-six thousand, six hundred twenty".