20183425434040 has 64 divisors (see below), whose sum is σ = 52148563344000. Its totient is φ = 6953141773440.

The previous prime is 20183425433971. The next prime is 20183425434181. The reversal of 20183425434040 is 4043452438102.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 20183425433984 and 20183425434002.

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, 1207134310 + ... + 1207151029.

It is an arithmetic number, because the mean of its divisors is an integer number (814821302250).

Almost surely, 2^{20183425434040} is an apocalyptic number.

20183425434040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20183425434040 is an abundant number, since it is smaller than the sum of its proper divisors (31965137909960).

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

20183425434040 is a wasteful number, since it uses less digits than its factorization.

20183425434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414285380 (or 2414285376 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 20183425434040 in words is "twenty trillion, one hundred eighty-three billion, four hundred twenty-five million, four hundred thirty-four thousand, forty".