1388484150 has 24 divisors (see below), whose sum is σ = 3443441064. Its totient is φ = 370262400.

The previous prime is 1388484131. The next prime is 1388484151. The reversal of 1388484150 is 514848831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388484151) 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, 4628131 + ... + 4628430.

It is an arithmetic number, because the mean of its divisors is an integer number (143476711).

Almost surely, 2^1388484150 is an apocalyptic number.

1388484150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1388484150 is an abundant number, since it is smaller than the sum of its proper divisors (2054956914).

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

1388484150 is a wasteful number, since it uses less digits than its factorization.

1388484150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256576 (or 9256571 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 1388484150 is about 37262.3690873245. The cubic root of 1388484150 is about 1115.6131947216.

The spelling of 1388484150 in words is "one billion, three hundred eighty-eight million, four hundred eighty-four thousand, one hundred fifty".