40457380521043 has 4 divisors (see below), whose sum is σ = 42586716337960. Its totient is φ = 38328044704128.

The previous prime is 40457380521011. The next prime is 40457380521059. The reversal of 40457380521043 is 34012508375404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40457380521043 - 2⁵ = 40457380521011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40457380520984 and 40457380521002.

It is not an unprimeable number, because it can be changed into a prime (40457380521443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064667908430 + ... + 1064667908467.

It is an arithmetic number, because the mean of its divisors is an integer number (10646679084490).

Almost surely, 2^{40457380521043} is an apocalyptic number.

40457380521043 is a deficient number, since it is larger than the sum of its proper divisors (2129335816917).

40457380521043 is a wasteful number, since it uses less digits than its factorization.

40457380521043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129335816916.

The product of its (nonzero) digits is 1612800, while the sum is 46.

Adding to 40457380521043 its reverse (34012508375404), we get a palindrome (74469888896447).

The spelling of 40457380521043 in words is "forty trillion, four hundred fifty-seven billion, three hundred eighty million, five hundred twenty-one thousand, forty-three".