436072297940 has 12 divisors (see below), whose sum is σ = 915751825716. Its totient is φ = 174428919168.

The previous prime is 436072297937. The next prime is 436072297957. The reversal of 436072297940 is 49792270634.

It can be written as a sum of positive squares in 2 ways, for example, as 289515020356 + 146557277584 = 538066^2 + 382828^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10901807429 + ... + 10901807468.

It is an arithmetic number, because the mean of its divisors is an integer number (76312652143).

Almost surely, 2^436072297940 is an apocalyptic number.

It is an amenable number.

436072297940 is an abundant number, since it is smaller than the sum of its proper divisors (479679527776).

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

436072297940 is a wasteful number, since it uses less digits than its factorization.

436072297940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21803614906 (or 21803614904 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 436072297940 in words is "four hundred thirty-six billion, seventy-two million, two hundred ninety-seven thousand, nine hundred forty".