34231621440 has 112 divisors (see below), whose sum is σ = 109906856640. Its totient is φ = 9025843200.

The previous prime is 34231621421. The next prime is 34231621507. The reversal of 34231621440 is 4412613243.

It is a super-2 number, since 2×34231621440² (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 = 34231621398 and 34231621407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114886 + ... + 285765.

It is an arithmetic number, because the mean of its divisors is an integer number (981311220).

Almost surely, 2^34231621440 is an apocalyptic number.

34231621440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34231621440 is an abundant number, since it is smaller than the sum of its proper divisors (75675235200).

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

34231621440 is a wasteful number, since it uses less digits than its factorization.

34231621440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400760 (or 400750 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 34231621440 in words is "thirty-four billion, two hundred thirty-one million, six hundred twenty-one thousand, four hundred forty".