40344051 has 32 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 23385600.

The previous prime is 40344037. The next prime is 40344091. The reversal of 40344051 is 15044304.

It is not a de Polignac number, because 40344051 - 2⁶ = 40343987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40344091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115425 + ... + 115773.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^40344051 is an apocalyptic number.

40344051 is a deficient number, since it is larger than the sum of its proper divisors (20942349).

40344051 is a wasteful number, since it uses less digits than its factorization.

40344051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40344051 is about 6351.6967024568. The cubic root of 40344051 is about 342.9729229760.

Adding to 40344051 its reverse (15044304), we get a palindrome (55388355).

The spelling of 40344051 in words is "forty million, three hundred forty-four thousand, fifty-one".