40534793520 has 160 divisors (see below), whose sum is σ = 138981646272. Its totient is φ = 9708097536.

The previous prime is 40534793501. The next prime is 40534793527. The reversal of 40534793520 is 2539743504.

It is not an unprimeable number, because it can be changed into a prime (40534793527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60127 + ... + 291006.

Almost surely, 2^40534793520 is an apocalyptic number.

40534793520 is a gapful number since it is divisible by the number (40) 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 40534793520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69490823136).

40534793520 is an abundant number, since it is smaller than the sum of its proper divisors (98446852752).

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

40534793520 is a wasteful number, since it uses less digits than its factorization.

40534793520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351199 (or 351193 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 40534793520 in words is "forty billion, five hundred thirty-four million, seven hundred ninety-three thousand, five hundred twenty".