40232474781 has 8 divisors (see below), whose sum is σ = 53774458560. Its totient is φ = 26756070432.

The previous prime is 40232474719. The next prime is 40232474803. The reversal of 40232474781 is 18747423204.

40232474781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40232474781 is a prime.

It is a super-2 number, since 2×40232474781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232473781) 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, 16393425 + ... + 16395878.

It is an arithmetic number, because the mean of its divisors is an integer number (6721807320).

Almost surely, 2^40232474781 is an apocalyptic number.

It is an amenable number.

40232474781 is a deficient number, since it is larger than the sum of its proper divisors (13541983779).

40232474781 is a wasteful number, since it uses less digits than its factorization.

40232474781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32789715.

The product of its (nonzero) digits is 301056, while the sum is 42.

Adding to 40232474781 its reverse (18747423204), we get a palindrome (58979897985).

The spelling of 40232474781 in words is "forty billion, two hundred thirty-two million, four hundred seventy-four thousand, seven hundred eighty-one".