40235522550520 has 128 divisors (see below), whose sum is σ = 100648389127680. Its totient is φ = 14351463360000.

The previous prime is 40235522550473. The next prime is 40235522550547. The reversal of 40235522550520 is 2505522553204.

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

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, 94256365 + ... + 94682275.

It is an arithmetic number, because the mean of its divisors is an integer number (786315540060).

Almost surely, 2^{40235522550520} is an apocalyptic number.

40235522550520 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 40235522550520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50324194563840).

40235522550520 is an abundant number, since it is smaller than the sum of its proper divisors (60412866577160).

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

40235522550520 is a wasteful number, since it uses less digits than its factorization.

40235522550520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430037 (or 430033 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 40235522550520 in words is "forty trillion, two hundred thirty-five billion, five hundred twenty-two million, five hundred fifty thousand, five hundred twenty".