40099702701240 has 768 divisors, whose sum is σ = 168054707358720. Its totient is φ = 8373356052480.

The previous prime is 40099702701217. The next prime is 40099702701241. The reversal of 40099702701240 is 4210720799004.

It is a happy number.

40099702701240 is a `hidden beast` number, since 400 + 99 + 70 + 2 + 70 + 1 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40099702701241) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 85564755 + ... + 86032125.

It is an arithmetic number, because the mean of its divisors is an integer number (218821233540).

Almost surely, 2^{40099702701240} is an apocalyptic number.

40099702701240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40099702701240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84027353679360).

40099702701240 is an abundant number, since it is smaller than the sum of its proper divisors (127955004657480).

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

40099702701240 is a wasteful number, since it uses less digits than its factorization.

40099702701240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467514 (or 467498 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 40099702701240 in words is "forty trillion, ninety-nine billion, seven hundred two million, seven hundred one thousand, two hundred forty".