40438204230567 has 32 divisors (see below), whose sum is σ = 63924895964160. Its totient is φ = 22415223208320.

The previous prime is 40438204230553. The next prime is 40438204230581. The reversal of 40438204230567 is 76503240283404.

It is an interprime number because it is at equal distance from previous prime (40438204230553) and next prime (40438204230581).

It is not a de Polignac number, because 40438204230567 - 2⁴ = 40438204230551 is a prime.

It is a super-2 number, since 2×40438204230567² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40438204237567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432345663 + ... + 432439184.

It is an arithmetic number, because the mean of its divisors is an integer number (1997652998880).

Almost surely, 2^{40438204230567} is an apocalyptic number.

40438204230567 is a deficient number, since it is larger than the sum of its proper divisors (23486691733593).

40438204230567 is a wasteful number, since it uses less digits than its factorization.

40438204230567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864784983.

The product of its (nonzero) digits is 3870720, while the sum is 48.

The spelling of 40438204230567 in words is "forty trillion, four hundred thirty-eight billion, two hundred four million, two hundred thirty thousand, five hundred sixty-seven".