40021031134 has 64 divisors (see below), whose sum is σ = 73662607872. Its totient is φ = 15917184000.

The previous prime is 40021031129. The next prime is 40021031137. The reversal of 40021031134 is 43113012004.

40021031134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021031137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11870469 + ... + 11873839.

It is an arithmetic number, because the mean of its divisors is an integer number (1150978248).

Almost surely, 2^40021031134 is an apocalyptic number.

40021031134 is a deficient number, since it is larger than the sum of its proper divisors (33641576738).

40021031134 is a wasteful number, since it uses less digits than its factorization.

40021031134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40021031134 its reverse (43113012004), we get a palindrome (83134043138).

The spelling of 40021031134 in words is "forty billion, twenty-one million, thirty-one thousand, one hundred thirty-four".