40262175997 has 2 divisors, whose sum is σ = 40262175998. Its totient is φ = 40262175996.

The previous prime is 40262175991. The next prime is 40262176037. The reversal of 40262175997 is 79957126204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29465095716 + 10797080281 = 171654^2 + 103909^2 .

It is a cyclic number.

It is not a de Polignac number, because 40262175997 - 2⁷ = 40262175869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40262175991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20131087998 + 20131087999.

It is an arithmetic number, because the mean of its divisors is an integer number (20131087999).

Almost surely, 2^40262175997 is an apocalyptic number.

It is an amenable number.

40262175997 is a deficient number, since it is larger than the sum of its proper divisors (1).

40262175997 is an equidigital number, since it uses as much as digits as its factorization.

40262175997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 40262175997 in words is "forty billion, two hundred sixty-two million, one hundred seventy-five thousand, nine hundred ninety-seven".