40430331044 has 6 divisors (see below), whose sum is σ = 70753079334. Its totient is φ = 20215165520.

The previous prime is 40430331043. The next prime is 40430331047. The reversal of 40430331044 is 44013303404.

40430331044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24989286400 + 15441044644 = 158080^2 + 124262^2 .

It is a super-2 number, since 2×40430331044² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40430331043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053791377 + ... + 5053791384.

It is an arithmetic number, because the mean of its divisors is an integer number (11792179889).

Almost surely, 2^40430331044 is an apocalyptic number.

It is an amenable number.

40430331044 is a deficient number, since it is larger than the sum of its proper divisors (30322748290).

40430331044 is a wasteful number, since it uses less digits than its factorization.

40430331044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107582765 (or 10107582763 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40430331044 its reverse (44013303404), we get a palindrome (84443634448).

The spelling of 40430331044 in words is "forty billion, four hundred thirty million, three hundred thirty-one thousand, forty-four".