40234431233430 has 96 divisors (see below), whose sum is σ = 119589021864000. Its totient is φ = 9193727321856.

The previous prime is 40234431233417. The next prime is 40234431233483. The reversal of 40234431233430 is 3433213443204.

40234431233430 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 4 + 4 + 312 + 334 + 3 + 0 = 666.

It is a super-2 number, since 2×40234431233430² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7287205 + ... + 11557344.

It is an arithmetic number, because the mean of its divisors is an integer number (1245718977750).

Almost surely, 2^{40234431233430} is an apocalyptic number.

40234431233430 is an abundant number, since it is smaller than the sum of its proper divisors (79354590630570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40234431233430 is a wasteful number, since it uses less digits than its factorization.

40234431233430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18847958 (or 18847955 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 40234431233430 its reverse (3433213443204), we get a palindrome (43667644676634).

The spelling of 40234431233430 in words is "forty trillion, two hundred thirty-four billion, four hundred thirty-one million, two hundred thirty-three thousand, four hundred thirty".