40437045 has 48 divisors (see below), whose sum is σ = 77111424. Its totient is φ = 19440000.

The previous prime is 40437043. The next prime is 40437091. The reversal of 40437045 is 54073404.

It is not a de Polignac number, because 40437045 - 2¹ = 40437043 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40437043) 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 47 ways as a sum of consecutive naturals, for example, 74475 + ... + 75015.

It is an arithmetic number, because the mean of its divisors is an integer number (1606488).

Almost surely, 2^40437045 is an apocalyptic number.

40437045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40437045 is a deficient number, since it is larger than the sum of its proper divisors (36674379).

40437045 is a wasteful number, since it uses less digits than its factorization.

40437045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 40437045 is about 6359.0128950962. The cubic root of 40437045 is about 343.2362410178.

The spelling of 40437045 in words is "forty million, four hundred thirty-seven thousand, forty-five".