1098232642 has 96 divisors (see below), whose sum is σ = 1988521920. Its totient is φ = 452874240.

The previous prime is 1098232637. The next prime is 1098232669. The reversal of 1098232642 is 2462328901.

It is a happy number.

It is a super-2 number, since 2×1098232642² = 2412229871908600328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11321938 + ... + 11322034.

It is an arithmetic number, because the mean of its divisors is an integer number (20713770).

Almost surely, 2^1098232642 is an apocalyptic number.

1098232642 is a deficient number, since it is larger than the sum of its proper divisors (890289278).

1098232642 is a wasteful number, since it uses less digits than its factorization.

1098232642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1098232642 is about 33139.5932684757. The cubic root of 1098232642 is about 1031.7269680384.

The spelling of 1098232642 in words is "one billion, ninety-eight million, two hundred thirty-two thousand, six hundred forty-two".