40231621330 has 8 divisors (see below), whose sum is σ = 72416918412. Its totient is φ = 16092648528.

The previous prime is 40231621279. The next prime is 40231621361. The reversal of 40231621330 is 3312613204.

It can be written as a sum of positive squares in 2 ways, for example, as 39669883929 + 561737401 = 199173^2 + 23701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40231621295 and 40231621304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011581057 + ... + 2011581076.

Almost surely, 2^40231621330 is an apocalyptic number.

40231621330 is a deficient number, since it is larger than the sum of its proper divisors (32185297082).

40231621330 is a wasteful number, since it uses less digits than its factorization.

40231621330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023162140.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 40231621330 in words is "forty billion, two hundred thirty-one million, six hundred twenty-one thousand, three hundred thirty".