40135027044 has 96 divisors (see below), whose sum is σ = 107719428096. Its totient is φ = 11393095680.

The previous prime is 40135027039. The next prime is 40135027063. The reversal of 40135027044 is 44072053104.

40135027044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40135027044² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22160899 + ... + 22162709.

It is an arithmetic number, because the mean of its divisors is an integer number (1122077376).

Almost surely, 2^40135027044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40135027044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53859714048).

40135027044 is an abundant number, since it is smaller than the sum of its proper divisors (67584401052).

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

40135027044 is a wasteful number, since it uses less digits than its factorization.

40135027044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 40135027044 in words is "forty billion, one hundred thirty-five million, twenty-seven thousand, forty-four".