40700032770 has 64 divisors (see below), whose sum is σ = 100136171520. Its totient is φ = 10581375168.

The previous prime is 40700032739. The next prime is 40700032777. The reversal of 40700032770 is 7723000704.

It is a happy number.

40700032770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40700032777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676791 + ... + 734469.

It is an arithmetic number, because the mean of its divisors is an integer number (1564627680).

Almost surely, 2^40700032770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40700032770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50068085760).

40700032770 is an abundant number, since it is smaller than the sum of its proper divisors (59436138750).

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

40700032770 is a wasteful number, since it uses less digits than its factorization.

40700032770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58279.

The product of its (nonzero) digits is 8232, while the sum is 30.

The spelling of 40700032770 in words is "forty billion, seven hundred million, thirty-two thousand, seven hundred seventy".