40154761144 has 32 divisors (see below), whose sum is σ = 78004519200. Its totient is φ = 19355656320.

The previous prime is 40154761111. The next prime is 40154761151. The reversal of 40154761144 is 44116745104.

It is a super-2 number, since 2×40154761144² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22429 + ... + 284275.

It is an arithmetic number, because the mean of its divisors is an integer number (2437641225).

Almost surely, 2^40154761144 is an apocalyptic number.

It is an amenable number.

40154761144 is a deficient number, since it is larger than the sum of its proper divisors (37849758056).

40154761144 is a wasteful number, since it uses less digits than its factorization.

40154761144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262543 (or 262539 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 40154761144 in words is "forty billion, one hundred fifty-four million, seven hundred sixty-one thousand, one hundred forty-four".