40038786285 has 64 divisors (see below), whose sum is σ = 67281408000. Its totient is φ = 20293498368.

The previous prime is 40038786247. The next prime is 40038786301. The reversal of 40038786285 is 58268783004.

It is a happy number.

It is not a de Polignac number, because 40038786285 - 2¹³ = 40038778093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64682706 + ... + 64683324.

It is an arithmetic number, because the mean of its divisors is an integer number (1051272000).

Almost surely, 2^40038786285 is an apocalyptic number.

It is an amenable number.

40038786285 is a deficient number, since it is larger than the sum of its proper divisors (27242621715).

40038786285 is a wasteful number, since it uses less digits than its factorization.

40038786285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 40038786285 in words is "forty billion, thirty-eight million, seven hundred eighty-six thousand, two hundred eighty-five".