40345240344 has 32 divisors (see below), whose sum is σ = 106796225520. Its totient is φ = 12657330176.

The previous prime is 40345240333. The next prime is 40345240367. The reversal of 40345240344 is 44304254304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49442289 + ... + 49443104.

Almost surely, 2^40345240344 is an apocalyptic number.

It is an amenable number.

40345240344 is an abundant number, since it is smaller than the sum of its proper divisors (66450985176).

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

40345240344 is a wasteful number, since it uses less digits than its factorization.

40345240344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98885419 (or 98885415 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 40345240344 its reverse (44304254304), we get a palindrome (84649494648).

The spelling of 40345240344 in words is "forty billion, three hundred forty-five million, two hundred forty thousand, three hundred forty-four".