40645333144 has 32 divisors (see below), whose sum is σ = 82147353120. Its totient is φ = 18742231296.

The previous prime is 40645333093. The next prime is 40645333163. The reversal of 40645333144 is 44133354604.

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, 64044 + ... + 292219.

It is an arithmetic number, because the mean of its divisors is an integer number (2567104785).

Almost surely, 2^40645333144 is an apocalyptic number.

It is an amenable number.

40645333144 is an abundant number, since it is smaller than the sum of its proper divisors (41502019976).

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

40645333144 is a wasteful number, since it uses less digits than its factorization.

40645333144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357379 (or 357375 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 40645333144 its reverse (44133354604), we get a palindrome (84778687748).

The spelling of 40645333144 in words is "forty billion, six hundred forty-five million, three hundred thirty-three thousand, one hundred forty-four".