40555461892 has 24 divisors (see below), whose sum is σ = 77943700800. Its totient is φ = 18310577760.

The previous prime is 40555461841. The next prime is 40555461901. The reversal of 40555461892 is 29816455504.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086448 + ... + 3099559.

It is an arithmetic number, because the mean of its divisors is an integer number (3247654200).

Almost surely, 2^40555461892 is an apocalyptic number.

It is an amenable number.

40555461892 is a deficient number, since it is larger than the sum of its proper divisors (37388238908).

40555461892 is a wasteful number, since it uses less digits than its factorization.

40555461892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186171 (or 6186169 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 40555461892 in words is "forty billion, five hundred fifty-five million, four hundred sixty-one thousand, eight hundred ninety-two".