40455030144 has 64 divisors (see below), whose sum is σ = 108279103680. Its totient is φ = 13382054400.

The previous prime is 40455030113. The next prime is 40455030263. The reversal of 40455030144 is 44103055404.

It is a tau number, because it is divible by the number of its divisors (64).

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, 351802 + ... + 452409.

It is an arithmetic number, because the mean of its divisors is an integer number (1691860995).

Almost surely, 2^40455030144 is an apocalyptic number.

It is an amenable number.

40455030144 is an abundant number, since it is smaller than the sum of its proper divisors (67824073536).

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

40455030144 is a wasteful number, since it uses less digits than its factorization.

40455030144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804359 (or 804347 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40455030144 its reverse (44103055404), we get a palindrome (84558085548).

The spelling of 40455030144 in words is "forty billion, four hundred fifty-five million, thirty thousand, one hundred forty-four".