1438452792 has 48 divisors (see below), whose sum is σ = 4452355440. Its totient is φ = 410986368.

The previous prime is 1438452791. The next prime is 1438452797. The reversal of 1438452792 is 2972548341.

1438452792 is a `hidden beast` number, since 1 + 4 + 38 + 4 + 527 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438452791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1426533 + ... + 1427540.

It is an arithmetic number, because the mean of its divisors is an integer number (92757405).

Almost surely, 2^1438452792 is an apocalyptic number.

1438452792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1438452792 is an abundant number, since it is smaller than the sum of its proper divisors (3013902648).

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

1438452792 is a wasteful number, since it uses less digits than its factorization.

1438452792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854092 (or 2854085 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1438452792 is about 37926.9401876819. The cubic root of 1438452792 is about 1128.8386512566.

It can be divided in two parts, 14384 and 52792, that added together give a palindrome (67176).

The spelling of 1438452792 in words is "one billion, four hundred thirty-eight million, four hundred fifty-two thousand, seven hundred ninety-two".