40722051 has 8 divisors (see below), whose sum is σ = 54983680. Its totient is φ = 26804232.

The previous prime is 40722049. The next prime is 40722053. The reversal of 40722051 is 15022704.

It is an interprime number because it is at equal distance from previous prime (40722049) and next prime (40722053).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40722051 - 2¹ = 40722049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40722053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85675 + ... + 86148.

It is an arithmetic number, because the mean of its divisors is an integer number (6872960).

Almost surely, 2^40722051 is an apocalyptic number.

40722051 is a deficient number, since it is larger than the sum of its proper divisors (14261629).

40722051 is a wasteful number, since it uses less digits than its factorization.

40722051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171905.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40722051 is about 6381.3831572787. The cubic root of 40722051 is about 344.0407463678.

Adding to 40722051 its reverse (15022704), we get a palindrome (55744755).

The spelling of 40722051 in words is "forty million, seven hundred twenty-two thousand, fifty-one".