40433614431 has 32 divisors (see below), whose sum is σ = 62068531200. Its totient is φ = 22934383200.

The previous prime is 40433614427. The next prime is 40433614439. The reversal of 40433614431 is 13441633404.

It is a happy number.

It is not a de Polignac number, because 40433614431 - 2² = 40433614427 is a prime.

It is a super-2 number, since 2×40433614431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40433614392 and 40433614401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433614439) 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, 4939500 + ... + 4947678.

It is an arithmetic number, because the mean of its divisors is an integer number (1939641600).

Almost surely, 2^40433614431 is an apocalyptic number.

40433614431 is a deficient number, since it is larger than the sum of its proper divisors (21634916769).

40433614431 is a wasteful number, since it uses less digits than its factorization.

40433614431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 40433614431 in words is "forty billion, four hundred thirty-three million, six hundred fourteen thousand, four hundred thirty-one".