1420154432 has 28 divisors (see below), whose sum is σ = 2983892940. Its totient is φ = 668307456.

The previous prime is 1420154429. The next prime is 1420154441. The reversal of 1420154432 is 2344510241.

It can be written as a sum of positive squares in 2 ways, for example, as 1144062976 + 276091456 = 33824^2 + 16616^2 .

It is a super-2 number, since 2×1420154432² = 4033677221458485248, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 651557 + ... + 653732.

It is an arithmetic number, because the mean of its divisors is an integer number (106567605).

Almost surely, 2^1420154432 is an apocalyptic number.

It is an amenable number.

1420154432 is an abundant number, since it is smaller than the sum of its proper divisors (1563738508).

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

1420154432 is a wasteful number, since it uses less digits than its factorization.

1420154432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305318 (or 1305308 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1420154432 is about 37684.9364070049. The cubic root of 1420154432 is about 1124.0316096530.

Adding to 1420154432 its reverse (2344510241), we get a palindrome (3764664673).

The spelling of 1420154432 in words is "one billion, four hundred twenty million, one hundred fifty-four thousand, four hundred thirty-two".