40365051 has 4 divisors (see below), whose sum is σ = 53820072. Its totient is φ = 26910032.

The previous prime is 40365049. The next prime is 40365053. The reversal of 40365051 is 15056304.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40365049) and next prime (40365053).

It is a cyclic number.

It is not a de Polignac number, because 40365051 - 2¹ = 40365049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40365053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6727506 + ... + 6727511.

It is an arithmetic number, because the mean of its divisors is an integer number (13455018).

Almost surely, 2^40365051 is an apocalyptic number.

40365051 is a deficient number, since it is larger than the sum of its proper divisors (13455021).

40365051 is a wasteful number, since it uses less digits than its factorization.

40365051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455020.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 40365051 is about 6353.3495889963. The cubic root of 40365051 is about 343.0324210671.

The spelling of 40365051 in words is "forty million, three hundred sixty-five thousand, fifty-one".