240404408144 has 10 divisors (see below), whose sum is σ = 465783540810. Its totient is φ = 120202204064.

The previous prime is 240404408143. The next prime is 240404408147. The reversal of 240404408144 is 441804404042.

It can be written as a sum of positive squares in only one way, i.e., 192819348544 + 47585059600 = 439112^2 + 218140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240404408143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512637739 + ... + 7512637770.

It is an arithmetic number, because the mean of its divisors is an integer number (46578354081).

Almost surely, 2^240404408144 is an apocalyptic number.

It is an amenable number.

240404408144 is a deficient number, since it is larger than the sum of its proper divisors (225379132666).

240404408144 is a wasteful number, since it uses less digits than its factorization.

240404408144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025275517 (or 15025275511 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 35.

The spelling of 240404408144 in words is "two hundred forty billion, four hundred four million, four hundred eight thousand, one hundred forty-four".