40144773348 has 36 divisors (see below), whose sum is σ = 101488720060. Its totient is φ = 13380054336.

The previous prime is 40144773329. The next prime is 40144773397. The reversal of 40144773348 is 84337744104.

It can be written as a sum of positive squares in 2 ways, for example, as 159971904 + 39984801444 = 12648^2 + 199962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40144773348² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278958 + ... + 397626.

Almost surely, 2^40144773348 is an apocalyptic number.

It is an amenable number.

40144773348 is an abundant number, since it is smaller than the sum of its proper divisors (61343946712).

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

40144773348 is a wasteful number, since it uses less digits than its factorization.

40144773348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128076 (or 128071 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 40144773348 in words is "forty billion, one hundred forty-four million, seven hundred seventy-three thousand, three hundred forty-eight".