40432021320130 has 24 divisors (see below), whose sum is σ = 79995255407676. Its totient is φ = 14702553206880.

The previous prime is 40432021320127. The next prime is 40432021320137. The reversal of 40432021320130 is 3102312023404.

It can be written as a sum of positive squares in 2 ways, for example, as 39618476851041 + 813544469089 = 6294321^2 + 901967^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40432021320095 and 40432021320104.

It is not an unprimeable number, because it can be changed into a prime (40432021320137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16707445617 + ... + 16707448036.

Almost surely, 2^{40432021320130} is an apocalyptic number.

40432021320130 is a deficient number, since it is larger than the sum of its proper divisors (39563234087546).

40432021320130 is a wasteful number, since it uses less digits than its factorization.

40432021320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33414893682 (or 33414893671 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40432021320130 its reverse (3102312023404), we get a palindrome (43534333343534).

The spelling of 40432021320130 in words is "forty trillion, four hundred thirty-two billion, twenty-one million, three hundred twenty thousand, one hundred thirty".