40051355444 has 12 divisors (see below), whose sum is σ = 73778812800. Its totient is φ = 18971694648.

The previous prime is 40051355437. The next prime is 40051355459. The reversal of 40051355444 is 44455315004.

It is a super-2 number, since 2×40051355444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263495684 + ... + 263495835.

It is an arithmetic number, because the mean of its divisors is an integer number (6148234400).

Almost surely, 2^40051355444 is an apocalyptic number.

It is an amenable number.

40051355444 is a deficient number, since it is larger than the sum of its proper divisors (33727457356).

40051355444 is a wasteful number, since it uses less digits than its factorization.

40051355444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526991542 (or 526991540 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 40051355444 in words is "forty billion, fifty-one million, three hundred fifty-five thousand, four hundred forty-four".