1538367376 has 80 divisors (see below), whose sum is σ = 3861558400. Its totient is φ = 576543744.

The previous prime is 1538367323. The next prime is 1538367407. The reversal of 1538367376 is 6737638351.

It is a super-2 number, since 2×1538367376² = 4733148367082250752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141 + ... + 55468.

It is an arithmetic number, because the mean of its divisors is an integer number (48269480).

Almost surely, 2^1538367376 is an apocalyptic number.

1538367376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1538367376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930779200).

1538367376 is an abundant number, since it is smaller than the sum of its proper divisors (2323191024).

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

1538367376 is a wasteful number, since it uses less digits than its factorization.

1538367376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55656 (or 55650 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The square root of 1538367376 is about 39222.0266686973. The cubic root of 1538367376 is about 1154.3921205491.

The spelling of 1538367376 in words is "one billion, five hundred thirty-eight million, three hundred sixty-seven thousand, three hundred seventy-six".