40070033777 has 4 divisors (see below), whose sum is σ = 41047351716. Its totient is φ = 39092715840.

The previous prime is 40070033767. The next prime is 40070033791. The reversal of 40070033777 is 77733007004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18030849841 + 22039183936 = 134279^2 + 148456^2 .

It is a cyclic number.

It is not a de Polignac number, because 40070033777 - 2⁴ = 40070033761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40070033777.

It is not an unprimeable number, because it can be changed into a prime (40070033737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488658908 + ... + 488658989.

It is an arithmetic number, because the mean of its divisors is an integer number (10261837929).

Almost surely, 2^40070033777 is an apocalyptic number.

It is an amenable number.

40070033777 is a deficient number, since it is larger than the sum of its proper divisors (977317939).

40070033777 is an equidigital number, since it uses as much as digits as its factorization.

40070033777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977317938.

The product of its (nonzero) digits is 86436, while the sum is 38.

The spelling of 40070033777 in words is "forty billion, seventy million, thirty-three thousand, seven hundred seventy-seven".