40400334445 has 16 divisors (see below), whose sum is σ = 50749148160. Its totient is φ = 30837139200.

The previous prime is 40400334439. The next prime is 40400334511. The reversal of 40400334445 is 54443300404.

It is not a de Polignac number, because 40400334445 - 2⁵ = 40400334413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824540 + ... + 1846549.

It is an arithmetic number, because the mean of its divisors is an integer number (3171821760).

Almost surely, 2^40400334445 is an apocalyptic number.

It is an amenable number.

40400334445 is a deficient number, since it is larger than the sum of its proper divisors (10348813715).

40400334445 is a wasteful number, since it uses less digits than its factorization.

40400334445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671196.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 40400334445 its reverse (54443300404), we get a palindrome (94843634849).

The spelling of 40400334445 in words is "forty billion, four hundred million, three hundred thirty-four thousand, four hundred forty-five".