40202036840 has 64 divisors (see below), whose sum is σ = 103416912000. Its totient is φ = 13778189568.

The previous prime is 40202036767. The next prime is 40202036843. The reversal of 40202036840 is 4863020204.

It is not an unprimeable number, because it can be changed into a prime (40202036843) 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 15 ways as a sum of consecutive naturals, for example, 729122 + ... + 782318.

It is an arithmetic number, because the mean of its divisors is an integer number (1615889250).

Almost surely, 2^40202036840 is an apocalyptic number.

40202036840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40202036840 is an abundant number, since it is smaller than the sum of its proper divisors (63214875160).

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

40202036840 is a wasteful number, since it uses less digits than its factorization.

40202036840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55914 (or 55910 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 40202036840 in words is "forty billion, two hundred two million, thirty-six thousand, eight hundred forty".