40400527 has 2 divisors, whose sum is σ = 40400528. Its totient is φ = 40400526.

The previous prime is 40400519. The next prime is 40400557. The reversal of 40400527 is 72500404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40400527 - 2³ = 40400519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40400498 and 40400507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40400557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200263 + 20200264.

It is an arithmetic number, because the mean of its divisors is an integer number (20200264).

Almost surely, 2^40400527 is an apocalyptic number.

40400527 is a deficient number, since it is larger than the sum of its proper divisors (1).

40400527 is an equidigital number, since it uses as much as digits as its factorization.

40400527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 40400527 is about 6356.1408889357. The cubic root of 40400527 is about 343.1328863166.

The spelling of 40400527 in words is "forty million, four hundred thousand, five hundred twenty-seven".