40102077772 has 48 divisors (see below), whose sum is σ = 75604435200. Its totient is φ = 18569134080.

The previous prime is 40102077739. The next prime is 40102077773. The reversal of 40102077772 is 27777020104.

It is not an unprimeable number, because it can be changed into a prime (40102077773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357004 + ... + 455692.

It is an arithmetic number, because the mean of its divisors is an integer number (1575092400).

Almost surely, 2^40102077772 is an apocalyptic number.

It is an amenable number.

40102077772 is a deficient number, since it is larger than the sum of its proper divisors (35502357428).

40102077772 is a wasteful number, since it uses less digits than its factorization.

40102077772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98866 (or 98864 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 37.

Adding to 40102077772 its reverse (27777020104), we get a palindrome (67879097876).

The spelling of 40102077772 in words is "forty billion, one hundred two million, seventy-seven thousand, seven hundred seventy-two".