40860451 has 2 divisors, whose sum is σ = 40860452. Its totient is φ = 40860450.

The previous prime is 40860433. The next prime is 40860473. The reversal of 40860451 is 15406804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40860451 - 2¹⁷ = 40729379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40860251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20430225 + 20430226.

It is an arithmetic number, because the mean of its divisors is an integer number (20430226).

Almost surely, 2^40860451 is an apocalyptic number.

40860451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40860451 is an equidigital number, since it uses as much as digits as its factorization.

40860451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40860451 is about 6392.2180031660. The cubic root of 40860451 is about 344.4300636806.

The spelling of 40860451 in words is "forty million, eight hundred sixty thousand, four hundred fifty-one".