40500040434 has 32 divisors (see below), whose sum is σ = 93278186496. Its totient is φ = 11483106960.

The previous prime is 40500040433. The next prime is 40500040439. The reversal of 40500040434 is 43404000504.

It is not an unprimeable number, because it can be changed into a prime (40500040433) 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, 3674982 + ... + 3685985.

It is an arithmetic number, because the mean of its divisors is an integer number (2914943328).

Almost surely, 2^40500040434 is an apocalyptic number.

40500040434 is an abundant number, since it is smaller than the sum of its proper divisors (52778146062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40500040434 is a wasteful number, since it uses less digits than its factorization.

40500040434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361110.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 40500040434 its reverse (43404000504), we get a palindrome (83904040938).

The spelling of 40500040434 in words is "forty billion, five hundred million, forty thousand, four hundred thirty-four".