34140051998 has 24 divisors (see below), whose sum is σ = 58370887800. Its totient is φ = 14927631264.

The previous prime is 34140051949. The next prime is 34140052019. The reversal of 34140051998 is 89915004143.

It is a super-2 number, since 2×34140051998² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2651633 + ... + 2664476.

It is an arithmetic number, because the mean of its divisors is an integer number (2432120325).

Almost surely, 2^34140051998 is an apocalyptic number.

34140051998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

34140051998 is a deficient number, since it is larger than the sum of its proper divisors (24230835802).

34140051998 is a wasteful number, since it uses less digits than its factorization.

34140051998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316156 (or 5316143 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 34140051998 in words is "thirty-four billion, one hundred forty million, fifty-one thousand, nine hundred ninety-eight".