40160806783428 has 48 divisors (see below), whose sum is σ = 98860267800000. Its totient is φ = 12654114213888.

The previous prime is 40160806783381. The next prime is 40160806783441. The reversal of 40160806783428 is 82438760806104.

It is a super-2 number, since 2×40160806783428² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196048953 + ... + 196253696.

It is an arithmetic number, because the mean of its divisors is an integer number (2059588912500).

Almost surely, 2^{40160806783428} is an apocalyptic number.

It is an amenable number.

40160806783428 is an abundant number, since it is smaller than the sum of its proper divisors (58699461016572).

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

40160806783428 is a wasteful number, since it uses less digits than its factorization.

40160806783428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392303124 (or 392303122 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 40160806783428 in words is "forty trillion, one hundred sixty billion, eight hundred six million, seven hundred eighty-three thousand, four hundred twenty-eight".