40231432134 has 16 divisors (see below), whose sum is σ = 89403182640. Its totient is φ = 13410477360.

The previous prime is 40231432117. The next prime is 40231432141. The reversal of 40231432134 is 43123413204.

40231432134 is a `hidden beast` number, since 402 + 3 + 1 + 43 + 213 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40231432098 and 40231432107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372513207 + ... + 372513314.

It is an arithmetic number, because the mean of its divisors is an integer number (5587698915).

Almost surely, 2^40231432134 is an apocalyptic number.

40231432134 is an abundant number, since it is smaller than the sum of its proper divisors (49171750506).

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

40231432134 is a wasteful number, since it uses less digits than its factorization.

40231432134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745026532 (or 745026526 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40231432134 its reverse (43123413204), we get a palindrome (83354845338).

The spelling of 40231432134 in words is "forty billion, two hundred thirty-one million, four hundred thirty-two thousand, one hundred thirty-four".