1976404242 has 16 divisors (see below), whose sum is σ = 3979339200. Its totient is φ = 654379632.

The previous prime is 1976404231. The next prime is 1976404249. The reversal of 1976404242 is 2424046791.

It is a self number, because there is not a number n which added to its sum of digits gives 1976404242.

It is not an unprimeable number, because it can be changed into a prime (1976404249) 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, 1104478 + ... + 1106265.

It is an arithmetic number, because the mean of its divisors is an integer number (248708700).

Almost surely, 2^1976404242 is an apocalyptic number.

1976404242 is an abundant number, since it is smaller than the sum of its proper divisors (2002934958).

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

1976404242 is a wasteful number, since it uses less digits than its factorization.

1976404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210897.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1976404242 is about 44456.7682361190. The cubic root of 1976404242 is about 1254.9466370965.

The spelling of 1976404242 in words is "one billion, nine hundred seventy-six million, four hundred four thousand, two hundred forty-two".