1538754464 has 144 divisors (see below), whose sum is σ = 3486369600. Its totient is φ = 666851328.

The previous prime is 1538754461. The next prime is 1538754467. The reversal of 1538754464 is 4644578351.

It is an interprime number because it is at equal distance from previous prime (1538754461) and next prime (1538754467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538754461) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11070107 + ... + 11070245.

It is an arithmetic number, because the mean of its divisors is an integer number (24210900).

Almost surely, 2^1538754464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1538754464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743184800).

1538754464 is an abundant number, since it is smaller than the sum of its proper divisors (1947615136).

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

1538754464 is a wasteful number, since it uses less digits than its factorization.

1538754464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 266 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The square root of 1538754464 is about 39226.9609325015. The cubic root of 1538754464 is about 1154.4889361451.

The spelling of 1538754464 in words is "one billion, five hundred thirty-eight million, seven hundred fifty-four thousand, four hundred sixty-four".