40051055446 has 64 divisors (see below), whose sum is σ = 66009359808. Its totient is φ = 18148589568.

The previous prime is 40051055437. The next prime is 40051055477. The reversal of 40051055446 is 64455015004.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 31 ways as a sum of consecutive naturals, for example, 71138361 + ... + 71138923.

It is an arithmetic number, because the mean of its divisors is an integer number (1031396247).

Almost surely, 2^40051055446 is an apocalyptic number.

40051055446 is a deficient number, since it is larger than the sum of its proper divisors (25958304362).

40051055446 is a wasteful number, since it uses less digits than its factorization.

40051055446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 40051055446 in words is "forty billion, fifty-one million, fifty-five thousand, four hundred forty-six".