40343132736 has 63 divisors (see below), whose sum is σ = 115650124681. Its totient is φ = 13446104064.

The previous prime is 40343132729. The next prime is 40343132741. The reversal of 40343132736 is 63723134304.

The square root of 40343132736 is 200856.

It is a perfect power (a square), and thus also a powerful number.

40343132736 is a `hidden beast` number, since 40 + 34 + 313 + 273 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29191772736 + 11151360000 = 170856^2 + 105600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40343132736.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4816360 + ... + 4824728.

Almost surely, 2^40343132736 is an apocalyptic number.

40343132736 is the 200856-th square number.

It is an amenable number.

40343132736 is an abundant number, since it is smaller than the sum of its proper divisors (75306991945).

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

40343132736 is an frugal number, since it uses more digits than its factorization.

40343132736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16756 (or 8374 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 36.

Multiplying 40343132736 by its sum of digits (36), we get a square (1452352778496 = 1205136²).

40343132736 divided by its sum of digits (36) gives a square (1120642576 = 33476²).

The spelling of 40343132736 in words is "forty billion, three hundred forty-three million, one hundred thirty-two thousand, seven hundred thirty-six".