534221000040 has 128 divisors (see below), whose sum is σ = 1972508348160. Its totient is φ = 112714758144.

The previous prime is 534221000029. The next prime is 534221000051. The reversal of 534221000040 is 40000122435.

It is an interprime number because it is at equal distance from previous prime (534221000029) and next prime (534221000051).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 534220999980 and 534221000016.

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, 24449749 + ... + 24471588.

It is an arithmetic number, because the mean of its divisors is an integer number (15410221470).

Almost surely, 2^534221000040 is an apocalyptic number.

It is an amenable number.

534221000040 is an abundant number, since it is smaller than the sum of its proper divisors (1438287348120).

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

534221000040 is a wasteful number, since it uses less digits than its factorization.

534221000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48921371 (or 48921367 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 534221000040 its reverse (40000122435), we get a palindrome (574221122475).

The spelling of 534221000040 in words is "five hundred thirty-four billion, two hundred twenty-one million, forty", and thus it is an aban number.