40376144 has 40 divisors (see below), whose sum is σ = 81531240. Its totient is φ = 19353600.

The previous prime is 40376137. The next prime is 40376177. The reversal of 40376144 is 44167304.

It can be written as a sum of positive squares in 4 ways, for example, as 3312400 + 37063744 = 1820^2 + 6088^2 .

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, 39512 + ... + 40520.

It is an arithmetic number, because the mean of its divisors is an integer number (2038281).

Almost surely, 2^40376144 is an apocalyptic number.

It is an amenable number.

40376144 is an abundant number, since it is smaller than the sum of its proper divisors (41155096).

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

40376144 is a wasteful number, since it uses less digits than its factorization.

40376144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40376144 is about 6354.2225330877. Note that the first 3 decimals coincide. The cubic root of 40376144 is about 343.0638418962.

The spelling of 40376144 in words is "forty million, three hundred seventy-six thousand, one hundred forty-four".