388149480 has 96 divisors (see below), whose sum is σ = 1327903200. Its totient is φ = 98057088.

The previous prime is 388149473. The next prime is 388149493. The reversal of 388149480 is 84941883.

388149480 is a `hidden beast` number, since 3 + 8 + 81 + 494 + 80 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21534 + ... + 35213.

It is an arithmetic number, because the mean of its divisors is an integer number (13832325).

Almost surely, 2^388149480 is an apocalyptic number.

388149480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

388149480 is an abundant number, since it is smaller than the sum of its proper divisors (939753720).

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

388149480 is a wasteful number, since it uses less digits than its factorization.

388149480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56783 (or 56776 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 388149480 is about 19701.5095868312. The cubic root of 388149480 is about 729.4569552351.

It can be divided in two parts, 3881 and 49480, that added together give a square (53361 = 231²).

The spelling of 388149480 in words is "three hundred eighty-eight million, one hundred forty-nine thousand, four hundred eighty".