34420223640 has 64 divisors (see below), whose sum is σ = 112648008960. Its totient is φ = 8344296320.

The previous prime is 34420223633. The next prime is 34420223647. The reversal of 34420223640 is 4632202443.

It is an interprime number because it is at equal distance from previous prime (34420223633) and next prime (34420223647).

It is a super-2 number, since 2×34420223640² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 34420223598 and 34420223607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34420223647) 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, 13036644 + ... + 13039283.

It is an arithmetic number, because the mean of its divisors is an integer number (1760125140).

Almost surely, 2^34420223640 is an apocalyptic number.

34420223640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34420223640 is an abundant number, since it is smaller than the sum of its proper divisors (78227785320).

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

34420223640 is a wasteful number, since it uses less digits than its factorization.

34420223640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26075952 (or 26075948 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

The spelling of 34420223640 in words is "thirty-four billion, four hundred twenty million, two hundred twenty-three thousand, six hundred forty".