40413400240 has 20 divisors (see below), whose sum is σ = 93961155744. Its totient is φ = 16165360064.

The previous prime is 40413400219. The next prime is 40413400241. The reversal of 40413400240 is 4200431404.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (40413400241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252583672 + ... + 252583831.

Almost surely, 2^40413400240 is an apocalyptic number.

40413400240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40413400240 is an abundant number, since it is smaller than the sum of its proper divisors (53547755504).

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

40413400240 is a wasteful number, since it uses less digits than its factorization.

40413400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505167516 (or 505167510 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40413400240 its reverse (4200431404), we get a palindrome (44613831644).

The spelling of 40413400240 in words is "forty billion, four hundred thirteen million, four hundred thousand, two hundred forty".