1438922076 has 12 divisors (see below), whose sum is σ = 3357484872. Its totient is φ = 479640688.

The previous prime is 1438922059. The next prime is 1438922099. The reversal of 1438922076 is 6702298341.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59955075 + ... + 59955098.

It is an arithmetic number, because the mean of its divisors is an integer number (279790406).

Almost surely, 2^1438922076 is an apocalyptic number.

It is an amenable number.

1438922076 is an abundant number, since it is smaller than the sum of its proper divisors (1918562796).

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

1438922076 is a wasteful number, since it uses less digits than its factorization.

1438922076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119910180 (or 119910178 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1438922076 is about 37933.1263673323. The cubic root of 1438922076 is about 1128.9613961768.

The spelling of 1438922076 in words is "one billion, four hundred thirty-eight million, nine hundred twenty-two thousand, seventy-six".