34239799890 has 48 divisors (see below), whose sum is σ = 89032963968. Its totient is φ = 9129640608.

The previous prime is 34239799883. The next prime is 34239799897. The reversal of 34239799890 is 9899793243.

It is an interprime number because it is at equal distance from previous prime (34239799883) and next prime (34239799897).

It is not an unprimeable number, because it can be changed into a prime (34239799897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1316149 + ... + 1341911.

It is an arithmetic number, because the mean of its divisors is an integer number (1854853416).

Almost surely, 2^34239799890 is an apocalyptic number.

34239799890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34239799890 is an abundant number, since it is smaller than the sum of its proper divisors (54793164078).

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

34239799890 is a wasteful number, since it uses less digits than its factorization.

34239799890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40543 (or 40540 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 34239799890 in words is "thirty-four billion, two hundred thirty-nine million, seven hundred ninety-nine thousand, eight hundred ninety".