40024051 has 4 divisors (see below), whose sum is σ = 42130600. Its totient is φ = 37917504.

The previous prime is 40024009. The next prime is 40024057. The reversal of 40024051 is 15042004.

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

It is a cyclic number.

It is not a de Polignac number, because 40024051 - 2¹⁵ = 39991283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40024057) 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, 1053246 + ... + 1053283.

It is an arithmetic number, because the mean of its divisors is an integer number (10532650).

Almost surely, 2^40024051 is an apocalyptic number.

40024051 is a deficient number, since it is larger than the sum of its proper divisors (2106549).

40024051 is a wasteful number, since it uses less digits than its factorization.

40024051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106548.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40024051 is about 6326.4564331069. The cubic root of 40024051 is about 342.0637199877.

Adding to 40024051 its reverse (15042004), we get a palindrome (55066055).

The spelling of 40024051 in words is "forty million, twenty-four thousand, fifty-one".