40297194527 has 2 divisors, whose sum is σ = 40297194528. Its totient is φ = 40297194526.

The previous prime is 40297194521. The next prime is 40297194541. The reversal of 40297194527 is 72549179204.

It is a happy number.

40297194527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40297194527 - 2⁶ = 40297194463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40297194521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20148597263 + 20148597264.

It is an arithmetic number, because the mean of its divisors is an integer number (20148597264).

Almost surely, 2^40297194527 is an apocalyptic number.

40297194527 is a deficient number, since it is larger than the sum of its proper divisors (1).

40297194527 is an equidigital number, since it uses as much as digits as its factorization.

40297194527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 40297194527 in words is "forty billion, two hundred ninety-seven million, one hundred ninety-four thousand, five hundred twenty-seven".