40457132443 has 16 divisors (see below), whose sum is σ = 49801199616. Its totient is φ = 32005020960.

The previous prime is 40457132437. The next prime is 40457132453. The reversal of 40457132443 is 34423175404.

It is a cyclic number.

It is not a de Polignac number, because 40457132443 - 2²⁵ = 40423578011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40457132453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615078 + ... + 677668.

It is an arithmetic number, because the mean of its divisors is an integer number (3112574976).

Almost surely, 2^40457132443 is an apocalyptic number.

40457132443 is a deficient number, since it is larger than the sum of its proper divisors (9344067173).

40457132443 is a wasteful number, since it uses less digits than its factorization.

40457132443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69714.

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 40457132443 in words is "forty billion, four hundred fifty-seven million, one hundred thirty-two thousand, four hundred forty-three".