40630723380 has 72 divisors (see below), whose sum is σ = 132727037352. Its totient is φ = 10001408256.

The previous prime is 40630723379. The next prime is 40630723381. The reversal of 40630723380 is 8332703604.

40630723380 is a `hidden beast` number, since 40 + 6 + 307 + 233 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (40630723379) and next prime (40630723381).

It can be written as a sum of positive squares in 4 ways, for example, as 222487056 + 40408236324 = 14916^2 + 201018^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630723381) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8679439 + ... + 8684118.

Almost surely, 2^40630723380 is an apocalyptic number.

It is an amenable number.

40630723380 is an abundant number, since it is smaller than the sum of its proper divisors (92096313972).

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

40630723380 is a wasteful number, since it uses less digits than its factorization.

40630723380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17363585 (or 17363580 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 40630723380 in words is "forty billion, six hundred thirty million, seven hundred twenty-three thousand, three hundred eighty".