40051031052 has 12 divisors (see below), whose sum is σ = 93452405816. Its totient is φ = 13350343680.

The previous prime is 40051031003. The next prime is 40051031077. The reversal of 40051031052 is 25013015004.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668792949 + ... + 1668792972.

Almost surely, 2^40051031052 is an apocalyptic number.

It is an amenable number.

40051031052 is an abundant number, since it is smaller than the sum of its proper divisors (53401374764).

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

40051031052 is a wasteful number, since it uses less digits than its factorization.

40051031052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337585928 (or 3337585926 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 40051031052 its reverse (25013015004), we get a palindrome (65064046056).

The spelling of 40051031052 in words is "forty billion, fifty-one million, thirty-one thousand, fifty-two".