40526144540 has 48 divisors (see below), whose sum is σ = 100616644800. Its totient is φ = 13415549952.

The previous prime is 40526144539. The next prime is 40526144551. The reversal of 40526144540 is 4544162504.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 40526144540.

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 15 ways as a sum of consecutive naturals, for example, 4986845 + ... + 4994964.

It is an arithmetic number, because the mean of its divisors is an integer number (2096180100).

Almost surely, 2^40526144540 is an apocalyptic number.

It is an amenable number.

40526144540 is an abundant number, since it is smaller than the sum of its proper divisors (60090500260).

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

40526144540 is a wasteful number, since it uses less digits than its factorization.

40526144540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981854 (or 9981852 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 40526144540 in words is "forty billion, five hundred twenty-six million, one hundred forty-four thousand, five hundred forty".