40213244434 has 16 divisors (see below), whose sum is σ = 65905852320. Its totient is φ = 18250313760.

The previous prime is 40213244381. The next prime is 40213244437. The reversal of 40213244434 is 43444231204.

It is a junction number, because it is equal to n+sod(n) for n = 40213244396 and 40213244405.

It is not an unprimeable number, because it can be changed into a prime (40213244437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407219 + ... + 1435510.

It is an arithmetic number, because the mean of its divisors is an integer number (4119115770).

Almost surely, 2^40213244434 is an apocalyptic number.

40213244434 is a deficient number, since it is larger than the sum of its proper divisors (25692607886).

40213244434 is a wasteful number, since it uses less digits than its factorization.

40213244434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843385.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40213244434 its reverse (43444231204), we get a palindrome (83657475638).

The spelling of 40213244434 in words is "forty billion, two hundred thirteen million, two hundred forty-four thousand, four hundred thirty-four".