1438212996 has 72 divisors (see below), whose sum is σ = 4112900064. Its totient is φ = 435818880.

The previous prime is 1438212983. The next prime is 1438213013. The reversal of 1438212996 is 6992128341.

1438212996 is a `hidden beast` number, since 1 + 438 + 2 + 129 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56565 + ... + 77948.

It is an arithmetic number, because the mean of its divisors is an integer number (57123612).

Almost surely, 2^1438212996 is an apocalyptic number.

It is an amenable number.

1438212996 is an abundant number, since it is smaller than the sum of its proper divisors (2674687068).

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

1438212996 is a wasteful number, since it uses less digits than its factorization.

1438212996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134543 (or 134529 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1438212996 is about 37923.7787674172. The cubic root of 1438212996 is about 1128.7759204211.

The spelling of 1438212996 in words is "one billion, four hundred thirty-eight million, two hundred twelve thousand, nine hundred ninety-six".