40450437 has 12 divisors (see below), whose sum is σ = 58552000. Its totient is φ = 26909928.

The previous prime is 40450433. The next prime is 40450439. The reversal of 40450437 is 73405404.

It is not a de Polignac number, because 40450437 - 2² = 40450433 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 40450437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13 + ... + 8994.

Almost surely, 2^40450437 is an apocalyptic number.

It is an amenable number.

40450437 is a deficient number, since it is larger than the sum of its proper divisors (18101563).

40450437 is a wasteful number, since it uses less digits than its factorization.

40450437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512 (or 9509 counting only the distinct ones).

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

The square root of 40450437 is about 6360.0658015464. The cubic root of 40450437 is about 343.2741279966.

The spelling of 40450437 in words is "forty million, four hundred fifty thousand, four hundred thirty-seven".