40377434 has 8 divisors (see below), whose sum is σ = 62203188. Its totient is φ = 19643040.

The previous prime is 40377419. The next prime is 40377439. The reversal of 40377434 is 43477304.

It can be written as a sum of positive squares in 2 ways, for example, as 40284409 + 93025 = 6347^2 + 305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40377434.

It is not an unprimeable number, because it can be changed into a prime (40377439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272747 + ... + 272894.

Almost surely, 2^40377434 is an apocalyptic number.

40377434 is a deficient number, since it is larger than the sum of its proper divisors (21825754).

40377434 is a wasteful number, since it uses less digits than its factorization.

40377434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545680.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 40377434 is about 6354.3240395812. The cubic root of 40377434 is about 343.0674954368.

The spelling of 40377434 in words is "forty million, three hundred seventy-seven thousand, four hundred thirty-four".