1998462402 has 16 divisors (see below), whose sum is σ = 4441027680. Its totient is φ = 666154116.

The previous prime is 1998462377. The next prime is 1998462407. The reversal of 1998462402 is 2042648991.

1998462402 is a `hidden beast` number, since 19 + 9 + 8 + 4 + 624 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1998462407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18504228 + ... + 18504335.

It is an arithmetic number, because the mean of its divisors is an integer number (277564230).

Almost surely, 2^1998462402 is an apocalyptic number.

1998462402 is an abundant number, since it is smaller than the sum of its proper divisors (2442565278).

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

1998462402 is a wasteful number, since it uses less digits than its factorization.

1998462402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37008574 (or 37008568 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1998462402 is about 44704.1653763942. The cubic root of 1998462402 is about 1259.5980917697.

The spelling of 1998462402 in words is "one billion, nine hundred ninety-eight million, four hundred sixty-two thousand, four hundred two".