40162678456 has 16 divisors (see below), whose sum is σ = 75342498840. Its totient is φ = 20071345440.

The previous prime is 40162678427. The next prime is 40162678513. The reversal of 40162678456 is 65487626104.

It is a super-2 number, since 2×40162678456² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232131 + ... + 1264306.

Almost surely, 2^40162678456 is an apocalyptic number.

It is an amenable number.

40162678456 is a deficient number, since it is larger than the sum of its proper divisors (35179820384).

40162678456 is a wasteful number, since it uses less digits than its factorization.

40162678456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498454 (or 2498450 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 40162678456 in words is "forty billion, one hundred sixty-two million, six hundred seventy-eight thousand, four hundred fifty-six".