40204232315 has 16 divisors (see below), whose sum is σ = 51960417600. Its totient is φ = 29686891392.

The previous prime is 40204232309. The next prime is 40204232317. The reversal of 40204232315 is 51323240204.

It is a cyclic number.

It is not a de Polignac number, because 40204232315 - 2¹² = 40204228219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40204232317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575881 + ... + 1601189.

It is an arithmetic number, because the mean of its divisors is an integer number (3247526100).

Almost surely, 2^40204232315 is an apocalyptic number.

40204232315 is a deficient number, since it is larger than the sum of its proper divisors (11756185285).

40204232315 is a wasteful number, since it uses less digits than its factorization.

40204232315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49766.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40204232315 its reverse (51323240204), we get a palindrome (91527472519).

The spelling of 40204232315 in words is "forty billion, two hundred four million, two hundred thirty-two thousand, three hundred fifteen".