40075431024 has 80 divisors (see below), whose sum is σ = 107934913152. Its totient is φ = 12801594624.

The previous prime is 40075430999. The next prime is 40075431059. The reversal of 40075431024 is 42013457004.

It is a junction number, because it is equal to n+sod(n) for n = 40075430982 and 40075431000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73782 + ... + 292565.

Almost surely, 2^40075431024 is an apocalyptic number.

It is an amenable number.

40075431024 is an abundant number, since it is smaller than the sum of its proper divisors (67859482128).

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

40075431024 is a wasteful number, since it uses less digits than its factorization.

40075431024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366454 (or 366448 counting only the distinct ones).

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

Adding to 40075431024 its reverse (42013457004), we get a palindrome (82088888028).

The spelling of 40075431024 in words is "forty billion, seventy-five million, four hundred thirty-one thousand, twenty-four".