40442012030 has 16 divisors (see below), whose sum is σ = 83194996320. Its totient is φ = 13865832672.

The previous prime is 40442011999. The next prime is 40442012033. The reversal of 40442012030 is 3021024404.

It is a junction number, because it is equal to n+sod(n) for n = 40442011993 and 40442012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442012033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288871445 + ... + 288871584.

It is an arithmetic number, because the mean of its divisors is an integer number (5199687270).

Almost surely, 2^40442012030 is an apocalyptic number.

40442012030 is an abundant number, since it is smaller than the sum of its proper divisors (42752984290).

40442012030 is a wasteful number, since it uses less digits than its factorization.

40442012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577743043.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40442012030 its reverse (3021024404), we get a palindrome (43463036434).

The spelling of 40442012030 in words is "forty billion, four hundred forty-two million, twelve thousand, thirty".