34678022640 has 80 divisors (see below), whose sum is σ = 107826896256. Its totient is φ = 9219513600.

The previous prime is 34678022633. The next prime is 34678022647. The reversal of 34678022640 is 4622087643.

It is an interprime number because it is at equal distance from previous prime (34678022633) and next prime (34678022647).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 34678022592 and 34678022601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34678022647) 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, 138826 + ... + 297705.

Almost surely, 2^34678022640 is an apocalyptic number.

34678022640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34678022640 is an abundant number, since it is smaller than the sum of its proper divisors (73148873616).

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

34678022640 is a wasteful number, since it uses less digits than its factorization.

34678022640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436878 (or 436872 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 34678022640 in words is "thirty-four billion, six hundred seventy-eight million, twenty-two thousand, six hundred forty".