40599899340 has 384 divisors, whose sum is σ = 154138263552. Its totient is φ = 7710612480.

The previous prime is 40599899339. The next prime is 40599899357. The reversal of 40599899340 is 4399899504.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6182899 + ... + 6189461.

It is an arithmetic number, because the mean of its divisors is an integer number (401401728).

Almost surely, 2^40599899340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40599899340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77069131776).

40599899340 is an abundant number, since it is smaller than the sum of its proper divisors (113538364212).

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

40599899340 is a wasteful number, since it uses less digits than its factorization.

40599899340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

It can be divided in two parts, 40599 and 899340, that added together give a palindrome (939939).

The spelling of 40599899340 in words is "forty billion, five hundred ninety-nine million, eight hundred ninety-nine thousand, three hundred forty".