40485724106520 has 384 divisors, whose sum is σ = 154687678421760. Its totient is φ = 8382243824640.

The previous prime is 40485724106497. The next prime is 40485724106533. The reversal of 40485724106520 is 2560142758404.

It is a self number, because there is not a number n which added to its sum of digits gives 40485724106520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16786507 + ... + 19046213.

It is an arithmetic number, because the mean of its divisors is an integer number (402832495890).

Almost surely, 2^{40485724106520} is an apocalyptic number.

40485724106520 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 40485724106520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77343839210880).

40485724106520 is an abundant number, since it is smaller than the sum of its proper divisors (114201954315240).

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

40485724106520 is a wasteful number, since it uses less digits than its factorization.

40485724106520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260023 (or 2260012 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 40485724106520 in words is "forty trillion, four hundred eighty-five billion, seven hundred twenty-four million, one hundred six thousand, five hundred twenty".