40100451 has 4 divisors (see below), whose sum is σ = 53467272. Its totient is φ = 26733632.

The previous prime is 40100441. The next prime is 40100491. The reversal of 40100451 is 15400104.

40100451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40100451 - 2⁶ = 40100387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40100451.

It is not an unprimeable number, because it can be changed into a prime (40100441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6683406 + ... + 6683411.

It is an arithmetic number, because the mean of its divisors is an integer number (13366818).

Almost surely, 2^40100451 is an apocalyptic number.

40100451 is a deficient number, since it is larger than the sum of its proper divisors (13366821).

40100451 is a wasteful number, since it uses less digits than its factorization.

40100451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13366820.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40100451 is about 6332.4916896906. The cubic root of 40100451 is about 342.2812313484.

Adding to 40100451 its reverse (15400104), we get a palindrome (55500555).

The spelling of 40100451 in words is "forty million, one hundred thousand, four hundred fifty-one".