1219629488 has 40 divisors (see below), whose sum is σ = 2946120960. Its totient is φ = 475179840.

The previous prime is 1219629479. The next prime is 1219629493. The reversal of 1219629488 is 8849269121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493748 + ... + 496211.

It is an arithmetic number, because the mean of its divisors is an integer number (73653024).

Almost surely, 2^1219629488 is an apocalyptic number.

It is an amenable number.

1219629488 is an abundant number, since it is smaller than the sum of its proper divisors (1726491472).

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

1219629488 is a wasteful number, since it uses less digits than its factorization.

1219629488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989985 (or 989979 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 1219629488 is about 34923.1941265400. The cubic root of 1219629488 is about 1068.4215489542.

The spelling of 1219629488 in words is "one billion, two hundred nineteen million, six hundred twenty-nine thousand, four hundred eighty-eight".