40362949 has 4 divisors (see below), whose sum is σ = 44032320. Its totient is φ = 36693580.

The previous prime is 40362943. The next prime is 40362991. The reversal of 40362949 is 94926304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40362949 - 2¹⁹ = 39838661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40362943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834669 + ... + 1834690.

It is an arithmetic number, because the mean of its divisors is an integer number (11008080).

Almost surely, 2^40362949 is an apocalyptic number.

It is an amenable number.

40362949 is a deficient number, since it is larger than the sum of its proper divisors (3669371).

40362949 is a wasteful number, since it uses less digits than its factorization.

40362949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669370.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 40362949 is about 6353.1841622922. The cubic root of 40362949 is about 343.0264665210.

The spelling of 40362949 in words is "forty million, three hundred sixty-two thousand, nine hundred forty-nine".