40311213072 has 180 divisors, whose sum is σ = 116541482832. Its totient is φ = 12001017600.

The previous prime is 40311213071. The next prime is 40311213119. The reversal of 40311213072 is 27031211304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40311213071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7793047 + ... + 7798217.

Almost surely, 2^40311213072 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 40311213072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58270741416).

40311213072 is an abundant number, since it is smaller than the sum of its proper divisors (76230269760).

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

40311213072 is a wasteful number, since it uses less digits than its factorization.

40311213072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270 (or 5220 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 40311213072 its reverse (27031211304), we get a palindrome (67342424376).

The spelling of 40311213072 in words is "forty billion, three hundred eleven million, two hundred thirteen thousand, seventy-two".