40304798143236 has 243 divisors, whose sum is σ = 114701685642453. Its totient is φ = 11924205733440.

The previous prime is 40304798143229. The next prime is 40304798143237. The reversal of 40304798143236 is 63234189740304.

It is a happy number.

The square root of 40304798143236 is 6348606.

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

40304798143236 is a `hidden beast` number, since 4 + 0 + 3 + 0 + 479 + 8 + 143 + 23 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32056092476100 + 8248705667136 = 5661810^2 + 2872056^2 .

It is a super-2 number, since 2×40304798143236² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40304798143237) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 18017342710 + ... + 18017344946.

Almost surely, 2^{40304798143236} is an apocalyptic number.

40304798143236 is the 6348606-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40304798143236

40304798143236 is an abundant number, since it is smaller than the sum of its proper divisors (74396887499217).

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

40304798143236 is a wasteful number, since it uses less digits than its factorization.

40304798143236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592 (or 2296 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 40304798143236 in words is "forty trillion, three hundred four billion, seven hundred ninety-eight million, one hundred forty-three thousand, two hundred thirty-six".