1978292482 has 16 divisors (see below), whose sum is σ = 3146262912. Its totient is φ = 929696320.

The previous prime is 1978292453. The next prime is 1978292489. The reversal of 1978292482 is 2842928791.

It is a happy number.

It is a super-2 number, since 2×1978292482² = 7827282288675440648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1978292489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13894 + ... + 64417.

It is an arithmetic number, because the mean of its divisors is an integer number (196641432).

Almost surely, 2^1978292482 is an apocalyptic number.

1978292482 is a deficient number, since it is larger than the sum of its proper divisors (1167970430).

1978292482 is a wasteful number, since it uses less digits than its factorization.

1978292482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79073.

The product of its digits is 1161216, while the sum is 52.

The square root of 1978292482 is about 44477.9999775170. Note that the first 4 decimals coincide. The cubic root of 1978292482 is about 1255.3461650445.

The spelling of 1978292482 in words is "one billion, nine hundred seventy-eight million, two hundred ninety-two thousand, four hundred eighty-two".