40420244334 has 16 divisors (see below), whose sum is σ = 80856720000. Its totient is φ = 13470709560.

The previous prime is 40420244311. The next prime is 40420244357. The reversal of 40420244334 is 43344202404.

It is an interprime number because it is at equal distance from previous prime (40420244311) and next prime (40420244357).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643812 + ... + 703799.

It is an arithmetic number, because the mean of its divisors is an integer number (5053545000).

Almost surely, 2^40420244334 is an apocalyptic number.

40420244334 is an abundant number, since it is smaller than the sum of its proper divisors (40436475666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40420244334 is a wasteful number, since it uses less digits than its factorization.

40420244334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352615.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40420244334 its reverse (43344202404), we get a palindrome (83764446738).

The spelling of 40420244334 in words is "forty billion, four hundred twenty million, two hundred forty-four thousand, three hundred thirty-four".