40434042433 has 8 divisors (see below), whose sum is σ = 41200320168. Its totient is φ = 39667889664.

The previous prime is 40434042401. The next prime is 40434042461. The reversal of 40434042433 is 33424043404.

It can be written as a sum of positive squares in 4 ways, for example, as 12830545984 + 27603496449 = 113272^2 + 166143^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40434042433 - 2⁵ = 40434042401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40434042395 and 40434042404.

It is not an unprimeable number, because it can be changed into a prime (40434040433) 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, 860791 + ... + 906547.

It is an arithmetic number, because the mean of its divisors is an integer number (5150040021).

Almost surely, 2^40434042433 is an apocalyptic number.

It is an amenable number.

40434042433 is a deficient number, since it is larger than the sum of its proper divisors (766277735).

40434042433 is a wasteful number, since it uses less digits than its factorization.

40434042433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62483.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 40434042433 its reverse (33424043404), we get a palindrome (73858085837).

The spelling of 40434042433 in words is "forty billion, four hundred thirty-four million, forty-two thousand, four hundred thirty-three".