40385544956 has 6 divisors (see below), whose sum is σ = 70674703680. Its totient is φ = 20192772476.

The previous prime is 40385544949. The next prime is 40385544967. The reversal of 40385544956 is 65944558304.

It is a happy number.

40385544956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40385544898 and 40385544907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5048193116 + ... + 5048193123.

It is an arithmetic number, because the mean of its divisors is an integer number (11779117280).

Almost surely, 2^40385544956 is an apocalyptic number.

It is an amenable number.

40385544956 is a deficient number, since it is larger than the sum of its proper divisors (30289158724).

40385544956 is a wasteful number, since it uses less digits than its factorization.

40385544956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096386243 (or 10096386241 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 40385544956 in words is "forty billion, three hundred eighty-five million, five hundred forty-four thousand, nine hundred fifty-six".