40201556834 has 32 divisors (see below), whose sum is σ = 63488561664. Its totient is φ = 19067840640.

The previous prime is 40201556827. The next prime is 40201556839. The reversal of 40201556834 is 43865510204.

It is not an unprimeable number, because it can be changed into a prime (40201556839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710492 + ... + 764984.

It is an arithmetic number, because the mean of its divisors is an integer number (1984017552).

Almost surely, 2^40201556834 is an apocalyptic number.

40201556834 is a deficient number, since it is larger than the sum of its proper divisors (23287004830).

40201556834 is a wasteful number, since it uses less digits than its factorization.

40201556834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54762.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 40201556834 in words is "forty billion, two hundred one million, five hundred fifty-six thousand, eight hundred thirty-four".