1438325955 has 48 divisors (see below), whose sum is σ = 2724793344. Its totient is φ = 696075840.

The previous prime is 1438325947. The next prime is 1438325957. The reversal of 1438325955 is 5595238341.

1438325955 is a `hidden beast` number, since 14 + 383 + 259 + 5 + 5 = 666.

It is not a de Polignac number, because 1438325955 - 2³ = 1438325947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1438325955.

It is not an unprimeable number, because it can be changed into a prime (1438325957) 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 47 ways as a sum of consecutive naturals, for example, 298072 + ... + 302858.

It is an arithmetic number, because the mean of its divisors is an integer number (56766528).

Almost surely, 2^1438325955 is an apocalyptic number.

1438325955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1438325955 is a deficient number, since it is larger than the sum of its proper divisors (1286467389).

1438325955 is a wasteful number, since it uses less digits than its factorization.

1438325955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416 (or 5413 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 1438325955 is about 37925.2680280575. The cubic root of 1438325955 is about 1128.8054714592.

The spelling of 1438325955 in words is "one billion, four hundred thirty-eight million, three hundred twenty-five thousand, nine hundred fifty-five".