534040020 has 48 divisors (see below), whose sum is σ = 1661459520. Its totient is φ = 142410528.

The previous prime is 534040019. The next prime is 534040021. The reversal of 534040020 is 20040435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (534040019) and next prime (534040021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 534039975 and 534040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534040021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493942 + ... + 495021.

It is an arithmetic number, because the mean of its divisors is an integer number (34613740).

Almost surely, 2^534040020 is an apocalyptic number.

It is an amenable number.

534040020 is an abundant number, since it is smaller than the sum of its proper divisors (1127419500).

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

534040020 is a wasteful number, since it uses less digits than its factorization.

534040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988981 (or 988973 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 534040020 is about 23109.3059177466. The cubic root of 534040020 is about 811.3182922448.

Adding to 534040020 its reverse (20040435), we get a palindrome (554080455).

The spelling of 534040020 in words is "five hundred thirty-four million, forty thousand, twenty".