40289137776 has 40 divisors (see below), whose sum is σ = 115644748560. Its totient is φ = 13429712448.

The previous prime is 40289137771. The next prime is 40289137787. The reversal of 40289137776 is 67773198204.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40289137771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46630515 + ... + 46631378.

It is an arithmetic number, because the mean of its divisors is an integer number (2891118714).

Almost surely, 2^40289137776 is an apocalyptic number.

It is an amenable number.

40289137776 is an abundant number, since it is smaller than the sum of its proper divisors (75355610784).

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

40289137776 is a wasteful number, since it uses less digits than its factorization.

40289137776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93261910 (or 93261898 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 40289137776 in words is "forty billion, two hundred eighty-nine million, one hundred thirty-seven thousand, seven hundred seventy-six".