40120431034 has 16 divisors (see below), whose sum is σ = 60641054208. Its totient is φ = 19907143632.

The previous prime is 40120431019. The next prime is 40120431061. The reversal of 40120431034 is 43013402104.

It is a junction number, because it is equal to n+sod(n) for n = 40120430996 and 40120431014.

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, 103792 + ... + 301684.

It is an arithmetic number, because the mean of its divisors is an integer number (3790065888).

Almost surely, 2^40120431034 is an apocalyptic number.

40120431034 is a deficient number, since it is larger than the sum of its proper divisors (20520623174).

40120431034 is a wasteful number, since it uses less digits than its factorization.

40120431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198669.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40120431034 its reverse (43013402104), we get a palindrome (83133833138).

The spelling of 40120431034 in words is "forty billion, one hundred twenty million, four hundred thirty-one thousand, thirty-four".