40015401041320 has 32 divisors (see below), whose sum is σ = 90037534331520. Its totient is φ = 16005648063040.

The previous prime is 40015401041311. The next prime is 40015401041321. The reversal of 40015401041320 is 2314010451004.

It is not an unprimeable number, because it can be changed into a prime (40015401041321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14744572 + ... + 17246251.

It is an arithmetic number, because the mean of its divisors is an integer number (2813672947860).

Almost surely, 2^{40015401041320} is an apocalyptic number.

40015401041320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40015401041320 is an abundant number, since it is smaller than the sum of its proper divisors (50022133290200).

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

40015401041320 is a wasteful number, since it uses less digits than its factorization.

40015401041320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32022105 (or 32022101 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 40015401041320 its reverse (2314010451004), we get a palindrome (42329411492324).

The spelling of 40015401041320 in words is "forty trillion, fifteen billion, four hundred one million, forty-one thousand, three hundred twenty".