543356370040 has 128 divisors (see below), whose sum is σ = 1390349629440. Its totient is φ = 189316800000.

The previous prime is 543356370019. The next prime is 543356370061. The reversal of 543356370040 is 40073653345.

It is an interprime number because it is at equal distance from previous prime (543356370019) and next prime (543356370061).

It is a super-2 number, since 2×543356370040² (a number of 24 digits) contains 22 as substring.

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 = 543356369975 and 543356370002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1180435 + ... + 1574845.

It is an arithmetic number, because the mean of its divisors is an integer number (10862106480).

Almost surely, 2^543356370040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543356370040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695174814720).

543356370040 is an abundant number, since it is smaller than the sum of its proper divisors (846993259400).

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

543356370040 is a wasteful number, since it uses less digits than its factorization.

543356370040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394565 (or 394561 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 543356370040 in words is "five hundred forty-three billion, three hundred fifty-six million, three hundred seventy thousand, forty".