40100434 has 16 divisors (see below), whose sum is σ = 66272256. Its totient is φ = 18046000.

The previous prime is 40100387. The next prime is 40100441. The reversal of 40100434 is 43400104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6802 + ... + 11245.

It is an arithmetic number, because the mean of its divisors is an integer number (4142016).

Almost surely, 2^40100434 is an apocalyptic number.

40100434 is a deficient number, since it is larger than the sum of its proper divisors (26171822).

40100434 is a wasteful number, since it uses less digits than its factorization.

40100434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18161.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40100434 is about 6332.4903474068. The cubic root of 40100434 is about 342.2811829801.

Adding to 40100434 its reverse (43400104), we get a palindrome (83500538).

The spelling of 40100434 in words is "forty million, one hundred thousand, four hundred thirty-four".