30701874840 has 256 divisors, whose sum is σ = 115284556800. Its totient is φ = 6367832064.

The previous prime is 30701874823. The next prime is 30701874877. The reversal of 30701874840 is 4847810703.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30701874792 and 30701874801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 620454 + ... + 668106.

It is an arithmetic number, because the mean of its divisors is an integer number (450330300).

Almost surely, 2^30701874840 is an apocalyptic number.

30701874840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30701874840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57642278400).

30701874840 is an abundant number, since it is smaller than the sum of its proper divisors (84582681960).

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

30701874840 is a wasteful number, since it uses less digits than its factorization.

30701874840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47746 (or 47742 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 30701874840 in words is "thirty billion, seven hundred one million, eight hundred seventy-four thousand, eight hundred forty".