34099987980 has 48 divisors (see below), whose sum is σ = 95781218400. Its totient is φ = 9064639488.

The previous prime is 34099987919. The next prime is 34099987981. The reversal of 34099987980 is 8978999043.

It is a super-2 number, since 2×34099987980² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34099987981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877405 + ... + 915444.

It is an arithmetic number, because the mean of its divisors is an integer number (1995442050).

Almost surely, 2^34099987980 is an apocalyptic number.

34099987980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34099987980 is an abundant number, since it is smaller than the sum of its proper divisors (61681230420).

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

34099987980 is a wasteful number, since it uses less digits than its factorization.

34099987980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793178 (or 1793176 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 66.

The spelling of 34099987980 in words is "thirty-four billion, ninety-nine million, nine hundred eighty-seven thousand, nine hundred eighty".