40857392456 has 16 divisors (see below), whose sum is σ = 76912824240. Its totient is φ = 20347306000.

The previous prime is 40857392453. The next prime is 40857392473. The reversal of 40857392456 is 65429375804.

It is a junction number, because it is equal to n+sod(n) for n = 40857392398 and 40857392407.

It is not an unprimeable number, because it can be changed into a prime (40857392453) 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, 10171646 + ... + 10175661.

It is an arithmetic number, because the mean of its divisors is an integer number (4807051515).

Almost surely, 2^40857392456 is an apocalyptic number.

It is an amenable number.

40857392456 is a deficient number, since it is larger than the sum of its proper divisors (36055431784).

40857392456 is a wasteful number, since it uses less digits than its factorization.

40857392456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20347564 (or 20347560 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 40857392456 in words is "forty billion, eight hundred fifty-seven million, three hundred ninety-two thousand, four hundred fifty-six".