40501541020 has 48 divisors (see below), whose sum is σ = 86405574528. Its totient is φ = 15944878080.

The previous prime is 40501541011. The next prime is 40501541033. The reversal of 40501541020 is 2014510504.

It is a junction number, because it is equal to n+sod(n) for n = 40501540982 and 40501541000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 293469 + ... + 408811.

It is an arithmetic number, because the mean of its divisors is an integer number (1800116136).

Almost surely, 2^40501541020 is an apocalyptic number.

It is an amenable number.

40501541020 is an abundant number, since it is smaller than the sum of its proper divisors (45904033508).

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

40501541020 is a wasteful number, since it uses less digits than its factorization.

40501541020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115630 (or 115628 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 40501541020 in words is "forty billion, five hundred one million, five hundred forty-one thousand, twenty".