40200736494 has 32 divisors (see below), whose sum is σ = 81221898240. Its totient is φ = 13263588000.

The previous prime is 40200736391. The next prime is 40200736501. The reversal of 40200736494 is 49463700204.

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, 2556147 + ... + 2571825.

It is an arithmetic number, because the mean of its divisors is an integer number (2538184320).

Almost surely, 2^40200736494 is an apocalyptic number.

40200736494 is an abundant number, since it is smaller than the sum of its proper divisors (41021161746).

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

40200736494 is a wasteful number, since it uses less digits than its factorization.

40200736494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20016.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 40200736494 in words is "forty billion, two hundred million, seven hundred thirty-six thousand, four hundred ninety-four".