40000013230040 has 32 divisors (see below), whose sum is σ = 90132969311280. Its totient is φ = 15976371595392.

The previous prime is 40000013230031. The next prime is 40000013230057. The reversal of 40000013230040 is 4003231000004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738525602 + ... + 738579761.

Almost surely, 2^{40000013230040} is an apocalyptic number.

40000013230040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40000013230040 is an abundant number, since it is smaller than the sum of its proper divisors (50132956081240).

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

40000013230040 is a wasteful number, since it uses less digits than its factorization.

40000013230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477106051 (or 1477106047 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 40000013230040 its reverse (4003231000004), we get a palindrome (44003244230044).

The spelling of 40000013230040 in words is "forty trillion, thirteen million, two hundred thirty thousand, forty".