40004212630 has 16 divisors (see below), whose sum is σ = 72037641600. Its totient is φ = 15995005312.

The previous prime is 40004212597. The next prime is 40004212631. The reversal of 40004212630 is 3621240004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004212631) 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, 809779 + ... + 857758.

It is an arithmetic number, because the mean of its divisors is an integer number (4502352600).

Almost surely, 2^40004212630 is an apocalyptic number.

40004212630 is a deficient number, since it is larger than the sum of its proper divisors (32033428970).

40004212630 is a wasteful number, since it uses less digits than its factorization.

40004212630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669943.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40004212630 its reverse (3621240004), we get a palindrome (43625452634).

The spelling of 40004212630 in words is "forty billion, four million, two hundred twelve thousand, six hundred thirty".